Home / 1,123,304.24-1,550,157.99-639,869.10

Finding the Fourth Proportional to 1,123,304.24, 1,550,157.99 and 639,869.10

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Solution

The fourth proportional to 1,123,304.24, 1,550,157.99 and 639,869.10 is: 883,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,304.24 : 1,550,157.99 = 639,869.10 : x
  2. Step 2: Convert to fraction form
    1,123,304.24/1,550,157.99 = 639,869.10/x
  3. Step 3: Cross multiply
    1,123,304.24x = 1,550,157.99 × 639,869.10
  4. Step 4: Simplify right side
    1,123,304.24x = 991,898,197,919.11
  5. Step 5: Solve for x
    x = 991,898,197,919.11/1,123,304.24
  6. Step 6: Final answer
    x = 883,018.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.