Home / 1,122,081.04-1,548,477.50-612,783.40

Finding the Fourth Proportional to 1,122,081.04, 1,548,477.50 and 612,783.40

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Solution

The fourth proportional to 1,122,081.04, 1,548,477.50 and 612,783.40 is: 845,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,081.04 : 1,548,477.50 = 612,783.40 : x
  2. Step 2: Convert to fraction form
    1,122,081.04/1,548,477.50 = 612,783.40/x
  3. Step 3: Cross multiply
    1,122,081.04x = 1,548,477.50 × 612,783.40
  4. Step 4: Simplify right side
    1,122,081.04x = 948,881,307,273.50
  5. Step 5: Solve for x
    x = 948,881,307,273.50/1,122,081.04
  6. Step 6: Final answer
    x = 845,644.19

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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.