Home / 1,331,330.70-1,995,683.85-656,859.90

Finding the Fourth Proportional to 1,331,330.70, 1,995,683.85 and 656,859.90

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Solution

The fourth proportional to 1,331,330.70, 1,995,683.85 and 656,859.90 is: 984,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,330.70 : 1,995,683.85 = 656,859.90 : x
  2. Step 2: Convert to fraction form
    1,331,330.70/1,995,683.85 = 656,859.90/x
  3. Step 3: Cross multiply
    1,331,330.70x = 1,995,683.85 × 656,859.90
  4. Step 4: Simplify right side
    1,331,330.70x = 1,310,884,694,142.62
  5. Step 5: Solve for x
    x = 1,310,884,694,142.62/1,331,330.70
  6. Step 6: Final answer
    x = 984,642.43

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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.