Home / 1,138,691.62-1,571,196.84-703,352.87

Finding the Fourth Proportional to 1,138,691.62, 1,571,196.84 and 703,352.87

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Solution

The fourth proportional to 1,138,691.62, 1,571,196.84 and 703,352.87 is: 970,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,691.62 : 1,571,196.84 = 703,352.87 : x
  2. Step 2: Convert to fraction form
    1,138,691.62/1,571,196.84 = 703,352.87/x
  3. Step 3: Cross multiply
    1,138,691.62x = 1,571,196.84 × 703,352.87
  4. Step 4: Simplify right side
    1,138,691.62x = 1,105,105,806,103.72
  5. Step 5: Solve for x
    x = 1,105,105,806,103.72/1,138,691.62
  6. Step 6: Final answer
    x = 970,504.91

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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.