Home / 749,249.60-1,123,874.40-744,000.80

Finding the Fourth Proportional to 749,249.60, 1,123,874.40 and 744,000.80

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Solution

The fourth proportional to 749,249.60, 1,123,874.40 and 744,000.80 is: 1,116,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,249.60 : 1,123,874.40 = 744,000.80 : x
  2. Step 2: Convert to fraction form
    749,249.60/1,123,874.40 = 744,000.80/x
  3. Step 3: Cross multiply
    749,249.60x = 1,123,874.40 × 744,000.80
  4. Step 4: Simplify right side
    749,249.60x = 836,163,452,699.52
  5. Step 5: Solve for x
    x = 836,163,452,699.52/749,249.60
  6. Step 6: Final answer
    x = 1,116,001.20

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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.