Home / 1,126,195.20-1,553,777.28-690,451.20

Finding the Fourth Proportional to 1,126,195.20, 1,553,777.28 and 690,451.20

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Solution

The fourth proportional to 1,126,195.20, 1,553,777.28 and 690,451.20 is: 952,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,195.20 : 1,553,777.28 = 690,451.20 : x
  2. Step 2: Convert to fraction form
    1,126,195.20/1,553,777.28 = 690,451.20/x
  3. Step 3: Cross multiply
    1,126,195.20x = 1,553,777.28 × 690,451.20
  4. Step 4: Simplify right side
    1,126,195.20x = 1,072,807,387,508.74
  5. Step 5: Solve for x
    x = 1,072,807,387,508.74/1,126,195.20
  6. Step 6: Final answer
    x = 952,594.53

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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.