Home / 1,123,263.10-1,684,901.85-449,400.70

Finding the Fourth Proportional to 1,123,263.10, 1,684,901.85 and 449,400.70

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Solution

The fourth proportional to 1,123,263.10, 1,684,901.85 and 449,400.70 is: 674,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,263.10 : 1,684,901.85 = 449,400.70 : x
  2. Step 2: Convert to fraction form
    1,123,263.10/1,684,901.85 = 449,400.70/x
  3. Step 3: Cross multiply
    1,123,263.10x = 1,684,901.85 × 449,400.70
  4. Step 4: Simplify right side
    1,123,263.10x = 757,196,070,821.30
  5. Step 5: Solve for x
    x = 757,196,070,821.30/1,123,263.10
  6. Step 6: Final answer
    x = 674,103.93

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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.