Home / 1,761,042.30-2,641,895.28-667,154.78

Finding the Fourth Proportional to 1,761,042.30, 2,641,895.28 and 667,154.78

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Solution

The fourth proportional to 1,761,042.30, 2,641,895.28 and 667,154.78 is: 1,000,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,042.30 : 2,641,895.28 = 667,154.78 : x
  2. Step 2: Convert to fraction form
    1,761,042.30/2,641,895.28 = 667,154.78/x
  3. Step 3: Cross multiply
    1,761,042.30x = 2,641,895.28 × 667,154.78
  4. Step 4: Simplify right side
    1,761,042.30x = 1,762,553,070,916.18
  5. Step 5: Solve for x
    x = 1,762,553,070,916.18/1,761,042.30
  6. Step 6: Final answer
    x = 1,000,857.88

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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.