Home / 1,123,262.10-1,684,900.35-449,399.70

Finding the Fourth Proportional to 1,123,262.10, 1,684,900.35 and 449,399.70

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Solution

The fourth proportional to 1,123,262.10, 1,684,900.35 and 449,399.70 is: 674,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,262.10 : 1,684,900.35 = 449,399.70 : x
  2. Step 2: Convert to fraction form
    1,123,262.10/1,684,900.35 = 449,399.70/x
  3. Step 3: Cross multiply
    1,123,262.10x = 1,684,900.35 × 449,399.70
  4. Step 4: Simplify right side
    1,123,262.10x = 757,193,711,819.90
  5. Step 5: Solve for x
    x = 757,193,711,819.90/1,123,262.10
  6. Step 6: Final answer
    x = 674,102.43

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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.