Home / 1,256,354.91-1,885,155.10-498,180.13

Finding the Fourth Proportional to 1,256,354.91, 1,885,155.10 and 498,180.13

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Solution

The fourth proportional to 1,256,354.91, 1,885,155.10 and 498,180.13 is: 747,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,354.91 : 1,885,155.10 = 498,180.13 : x
  2. Step 2: Convert to fraction form
    1,256,354.91/1,885,155.10 = 498,180.13/x
  3. Step 3: Cross multiply
    1,256,354.91x = 1,885,155.10 × 498,180.13
  4. Step 4: Simplify right side
    1,256,354.91x = 939,146,806,829.83
  5. Step 5: Solve for x
    x = 939,146,806,829.83/1,256,354.91
  6. Step 6: Final answer
    x = 747,517.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.