Home / 1,122,074.02-1,548,467.84-612,776.38

Finding the Fourth Proportional to 1,122,074.02, 1,548,467.84 and 612,776.38

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Solution

The fourth proportional to 1,122,074.02, 1,548,467.84 and 612,776.38 is: 845,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,074.02 : 1,548,467.84 = 612,776.38 : x
  2. Step 2: Convert to fraction form
    1,122,074.02/1,548,467.84 = 612,776.38/x
  3. Step 3: Cross multiply
    1,122,074.02x = 1,548,467.84 × 612,776.38
  4. Step 4: Simplify right side
    1,122,074.02x = 948,864,517,541.62
  5. Step 5: Solve for x
    x = 948,864,517,541.62/1,122,074.02
  6. Step 6: Final answer
    x = 845,634.51

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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.