Home / 748,932.20-1,123,398.30-744,266.60

Finding the Fourth Proportional to 748,932.20, 1,123,398.30 and 744,266.60

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Solution

The fourth proportional to 748,932.20, 1,123,398.30 and 744,266.60 is: 1,116,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,932.20 : 1,123,398.30 = 744,266.60 : x
  2. Step 2: Convert to fraction form
    748,932.20/1,123,398.30 = 744,266.60/x
  3. Step 3: Cross multiply
    748,932.20x = 1,123,398.30 × 744,266.60
  4. Step 4: Simplify right side
    748,932.20x = 836,107,833,186.78
  5. Step 5: Solve for x
    x = 836,107,833,186.78/748,932.20
  6. Step 6: Final answer
    x = 1,116,399.90

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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.