Home / 1,251,778.24-1,727,454.90-678,818.26

Finding the Fourth Proportional to 1,251,778.24, 1,727,454.90 and 678,818.26

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Solution

The fourth proportional to 1,251,778.24, 1,727,454.90 and 678,818.26 is: 936,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,778.24 : 1,727,454.90 = 678,818.26 : x
  2. Step 2: Convert to fraction form
    1,251,778.24/1,727,454.90 = 678,818.26/x
  3. Step 3: Cross multiply
    1,251,778.24x = 1,727,454.90 × 678,818.26
  4. Step 4: Simplify right side
    1,251,778.24x = 1,172,627,929,446.47
  5. Step 5: Solve for x
    x = 1,172,627,929,446.47/1,251,778.24
  6. Step 6: Final answer
    x = 936,769.70

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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.