Home / 1,011,249.27-1,516,287.06-478,765.80

Finding the Fourth Proportional to 1,011,249.27, 1,516,287.06 and 478,765.80

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Solution

The fourth proportional to 1,011,249.27, 1,516,287.06 and 478,765.80 is: 717,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,249.27 : 1,516,287.06 = 478,765.80 : x
  2. Step 2: Convert to fraction form
    1,011,249.27/1,516,287.06 = 478,765.80/x
  3. Step 3: Cross multiply
    1,011,249.27x = 1,516,287.06 × 478,765.80
  4. Step 4: Simplify right side
    1,011,249.27x = 725,946,387,310.55
  5. Step 5: Solve for x
    x = 725,946,387,310.55/1,011,249.27
  6. Step 6: Final answer
    x = 717,870.86

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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.