Home / 987,901.38-1,363,366.89-605,876.22

Finding the Fourth Proportional to 987,901.38, 1,363,366.89 and 605,876.22

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Solution

The fourth proportional to 987,901.38, 1,363,366.89 and 605,876.22 is: 836,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,901.38 : 1,363,366.89 = 605,876.22 : x
  2. Step 2: Convert to fraction form
    987,901.38/1,363,366.89 = 605,876.22/x
  3. Step 3: Cross multiply
    987,901.38x = 1,363,366.89 × 605,876.22
  4. Step 4: Simplify right side
    987,901.38x = 826,031,577,786.36
  5. Step 5: Solve for x
    x = 826,031,577,786.36/987,901.38
  6. Step 6: Final answer
    x = 836,147.81

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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.