Home / 1,122,072.02-1,548,465.07-612,774.38

Finding the Fourth Proportional to 1,122,072.02, 1,548,465.07 and 612,774.38

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Solution

The fourth proportional to 1,122,072.02, 1,548,465.07 and 612,774.38 is: 845,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,072.02 : 1,548,465.07 = 612,774.38 : x
  2. Step 2: Convert to fraction form
    1,122,072.02/1,548,465.07 = 612,774.38/x
  3. Step 3: Cross multiply
    1,122,072.02x = 1,548,465.07 × 612,774.38
  4. Step 4: Simplify right side
    1,122,072.02x = 948,859,723,220.91
  5. Step 5: Solve for x
    x = 948,859,723,220.91/1,122,072.02
  6. Step 6: Final answer
    x = 845,631.75

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,122,073.02, 1,548,466.45 and 612,775.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.