Home / 1,123,965.64-1,685,504.68-449,921.32

Finding the Fourth Proportional to 1,123,965.64, 1,685,504.68 and 449,921.32

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Solution

The fourth proportional to 1,123,965.64, 1,685,504.68 and 449,921.32 is: 674,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,965.64 : 1,685,504.68 = 449,921.32 : x
  2. Step 2: Convert to fraction form
    1,123,965.64/1,685,504.68 = 449,921.32/x
  3. Step 3: Cross multiply
    1,123,965.64x = 1,685,504.68 × 449,921.32
  4. Step 4: Simplify right side
    1,123,965.64x = 758,344,490,491.78
  5. Step 5: Solve for x
    x = 758,344,490,491.78/1,123,965.64
  6. Step 6: Final answer
    x = 674,704.34

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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.