Home / 914,318.40-1,370,165.40-672,545.55

Finding the Fourth Proportional to 914,318.40, 1,370,165.40 and 672,545.55

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Solution

The fourth proportional to 914,318.40, 1,370,165.40 and 672,545.55 is: 1,007,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,318.40 : 1,370,165.40 = 672,545.55 : x
  2. Step 2: Convert to fraction form
    914,318.40/1,370,165.40 = 672,545.55/x
  3. Step 3: Cross multiply
    914,318.40x = 1,370,165.40 × 672,545.55
  4. Step 4: Simplify right side
    914,318.40x = 921,498,642,533.97
  5. Step 5: Solve for x
    x = 921,498,642,533.97/914,318.40
  6. Step 6: Final answer
    x = 1,007,853.11

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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.