Home / 1,429,517.55-2,142,614.69-530,385.78

Finding the Fourth Proportional to 1,429,517.55, 2,142,614.69 and 530,385.78

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Solution

The fourth proportional to 1,429,517.55, 2,142,614.69 and 530,385.78 is: 794,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,517.55 : 2,142,614.69 = 530,385.78 : x
  2. Step 2: Convert to fraction form
    1,429,517.55/2,142,614.69 = 530,385.78/x
  3. Step 3: Cross multiply
    1,429,517.55x = 2,142,614.69 × 530,385.78
  4. Step 4: Simplify right side
    1,429,517.55x = 1,136,412,363,595.11
  5. Step 5: Solve for x
    x = 1,136,412,363,595.11/1,429,517.55
  6. Step 6: Final answer
    x = 794,962.16

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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.