Home / 1,251,132.48-1,726,516.55-678,160.35

Finding the Fourth Proportional to 1,251,132.48, 1,726,516.55 and 678,160.35

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Solution

The fourth proportional to 1,251,132.48, 1,726,516.55 and 678,160.35 is: 935,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,132.48 : 1,726,516.55 = 678,160.35 : x
  2. Step 2: Convert to fraction form
    1,251,132.48/1,726,516.55 = 678,160.35/x
  3. Step 3: Cross multiply
    1,251,132.48x = 1,726,516.55 × 678,160.35
  4. Step 4: Simplify right side
    1,251,132.48x = 1,170,855,067,828.79
  5. Step 5: Solve for x
    x = 1,170,855,067,828.79/1,251,132.48
  6. Step 6: Final answer
    x = 935,836.20

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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.