Home / 1,438,761.30-2,156,654.78-539,568.96

Finding the Fourth Proportional to 1,438,761.30, 2,156,654.78 and 539,568.96

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Solution

The fourth proportional to 1,438,761.30, 2,156,654.78 and 539,568.96 is: 808,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,761.30 : 2,156,654.78 = 539,568.96 : x
  2. Step 2: Convert to fraction form
    1,438,761.30/2,156,654.78 = 539,568.96/x
  3. Step 3: Cross multiply
    1,438,761.30x = 2,156,654.78 × 539,568.96
  4. Step 4: Simplify right side
    1,438,761.30x = 1,163,663,976,723.63
  5. Step 5: Solve for x
    x = 1,163,663,976,723.63/1,438,761.30
  6. Step 6: Final answer
    x = 808,795.72

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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.