Home / 1,385,906.94-2,078,996.25-576,123.90

Finding the Fourth Proportional to 1,385,906.94, 2,078,996.25 and 576,123.90

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Solution

The fourth proportional to 1,385,906.94, 2,078,996.25 and 576,123.90 is: 864,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,906.94 : 2,078,996.25 = 576,123.90 : x
  2. Step 2: Convert to fraction form
    1,385,906.94/2,078,996.25 = 576,123.90/x
  3. Step 3: Cross multiply
    1,385,906.94x = 2,078,996.25 × 576,123.90
  4. Step 4: Simplify right side
    1,385,906.94x = 1,197,759,427,635.38
  5. Step 5: Solve for x
    x = 1,197,759,427,635.38/1,385,906.94
  6. Step 6: Final answer
    x = 864,242.32

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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.