Home / 1,129,697.28-1,694,545.92-330,978.96

Finding the Fourth Proportional to 1,129,697.28, 1,694,545.92 and 330,978.96

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Solution

The fourth proportional to 1,129,697.28, 1,694,545.92 and 330,978.96 is: 496,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,697.28 : 1,694,545.92 = 330,978.96 : x
  2. Step 2: Convert to fraction form
    1,129,697.28/1,694,545.92 = 330,978.96/x
  3. Step 3: Cross multiply
    1,129,697.28x = 1,694,545.92 × 330,978.96
  4. Step 4: Simplify right side
    1,129,697.28x = 560,859,046,273.84
  5. Step 5: Solve for x
    x = 560,859,046,273.84/1,129,697.28
  6. Step 6: Final answer
    x = 496,468.44

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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.