Home / 1,755,753.28-2,423,136.80-991,856.32

Finding the Fourth Proportional to 1,755,753.28, 2,423,136.80 and 991,856.32

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Solution

The fourth proportional to 1,755,753.28, 2,423,136.80 and 991,856.32 is: 1,368,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,753.28 : 2,423,136.80 = 991,856.32 : x
  2. Step 2: Convert to fraction form
    1,755,753.28/2,423,136.80 = 991,856.32/x
  3. Step 3: Cross multiply
    1,755,753.28x = 2,423,136.80 × 991,856.32
  4. Step 4: Simplify right side
    1,755,753.28x = 2,403,403,549,304.58
  5. Step 5: Solve for x
    x = 2,403,403,549,304.58/1,755,753.28
  6. Step 6: Final answer
    x = 1,368,873.16

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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.