Home / 1,661,929.32-2,490,925.66-762,613.04

Finding the Fourth Proportional to 1,661,929.32, 2,490,925.66 and 762,613.04

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Solution

The fourth proportional to 1,661,929.32, 2,490,925.66 and 762,613.04 is: 1,143,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,929.32 : 2,490,925.66 = 762,613.04 : x
  2. Step 2: Convert to fraction form
    1,661,929.32/2,490,925.66 = 762,613.04/x
  3. Step 3: Cross multiply
    1,661,929.32x = 2,490,925.66 × 762,613.04
  4. Step 4: Simplify right side
    1,661,929.32x = 1,899,612,389,986.61
  5. Step 5: Solve for x
    x = 1,899,612,389,986.61/1,661,929.32
  6. Step 6: Final answer
    x = 1,143,016.35

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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.