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Finding the Fourth Proportional to 1,087,366, 1,500,565.08 and 610,438

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Solution

The fourth proportional to 1,087,366, 1,500,565.08 and 610,438 is: 842,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,366 : 1,500,565.08 = 610,438 : x
  2. Step 2: Convert to fraction form
    1,087,366/1,500,565.08 = 610,438/x
  3. Step 3: Cross multiply
    1,087,366x = 1,500,565.08 × 610,438
  4. Step 4: Simplify right side
    1,087,366x = 916,001,946,305.04
  5. Step 5: Solve for x
    x = 916,001,946,305.04/1,087,366
  6. Step 6: Final answer
    x = 842,404.44

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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.