Home / 1,279,847.12-1,766,404.68-743,614.16

Finding the Fourth Proportional to 1,279,847.12, 1,766,404.68 and 743,614.16

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Solution

The fourth proportional to 1,279,847.12, 1,766,404.68 and 743,614.16 is: 1,026,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,847.12 : 1,766,404.68 = 743,614.16 : x
  2. Step 2: Convert to fraction form
    1,279,847.12/1,766,404.68 = 743,614.16/x
  3. Step 3: Cross multiply
    1,279,847.12x = 1,766,404.68 × 743,614.16
  4. Step 4: Simplify right side
    1,279,847.12x = 1,313,523,532,338.27
  5. Step 5: Solve for x
    x = 1,313,523,532,338.27/1,279,847.12
  6. Step 6: Final answer
    x = 1,026,312.84

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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.