Home / 1,438,584.59-2,157,876.27-427,702.16

Finding the Fourth Proportional to 1,438,584.59, 2,157,876.27 and 427,702.16

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Solution

The fourth proportional to 1,438,584.59, 2,157,876.27 and 427,702.16 is: 641,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,584.59 : 2,157,876.27 = 427,702.16 : x
  2. Step 2: Convert to fraction form
    1,438,584.59/2,157,876.27 = 427,702.16/x
  3. Step 3: Cross multiply
    1,438,584.59x = 2,157,876.27 × 427,702.16
  4. Step 4: Simplify right side
    1,438,584.59x = 922,928,341,691.74
  5. Step 5: Solve for x
    x = 922,928,341,691.74/1,438,584.59
  6. Step 6: Final answer
    x = 641,553.06

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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.