Home / 748,672.20-1,123,883.10-743,423.40

Finding the Fourth Proportional to 748,672.20, 1,123,883.10 and 743,423.40

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Solution

The fourth proportional to 748,672.20, 1,123,883.10 and 743,423.40 is: 1,116,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,672.20 : 1,123,883.10 = 743,423.40 : x
  2. Step 2: Convert to fraction form
    748,672.20/1,123,883.10 = 743,423.40/x
  3. Step 3: Cross multiply
    748,672.20x = 1,123,883.10 × 743,423.40
  4. Step 4: Simplify right side
    748,672.20x = 835,520,995,404.54
  5. Step 5: Solve for x
    x = 835,520,995,404.54/748,672.20
  6. Step 6: Final answer
    x = 1,116,003.77

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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.