Home / 1,251,732.29-1,727,401.37-678,772.49

Finding the Fourth Proportional to 1,251,732.29, 1,727,401.37 and 678,772.49

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Solution

The fourth proportional to 1,251,732.29, 1,727,401.37 and 678,772.49 is: 936,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,732.29 : 1,727,401.37 = 678,772.49 : x
  2. Step 2: Convert to fraction form
    1,251,732.29/1,727,401.37 = 678,772.49/x
  3. Step 3: Cross multiply
    1,251,732.29x = 1,727,401.37 × 678,772.49
  4. Step 4: Simplify right side
    1,251,732.29x = 1,172,512,517,113.44
  5. Step 5: Solve for x
    x = 1,172,512,517,113.44/1,251,732.29
  6. Step 6: Final answer
    x = 936,711.89

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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.