Home / 1,377,149.20-2,065,723.80-1,062,221.20

Finding the Fourth Proportional to 1,377,149.20, 2,065,723.80 and 1,062,221.20

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Solution

The fourth proportional to 1,377,149.20, 2,065,723.80 and 1,062,221.20 is: 1,593,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,149.20 : 2,065,723.80 = 1,062,221.20 : x
  2. Step 2: Convert to fraction form
    1,377,149.20/2,065,723.80 = 1,062,221.20/x
  3. Step 3: Cross multiply
    1,377,149.20x = 2,065,723.80 × 1,062,221.20
  4. Step 4: Simplify right side
    1,377,149.20x = 2,194,255,613,704.56
  5. Step 5: Solve for x
    x = 2,194,255,613,704.56/1,377,149.20
  6. Step 6: Final answer
    x = 1,593,331.80

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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.