Home / 1,502,330.88-2,073,198.96-813,989.28

Finding the Fourth Proportional to 1,502,330.88, 2,073,198.96 and 813,989.28

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Solution

The fourth proportional to 1,502,330.88, 2,073,198.96 and 813,989.28 is: 1,123,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,330.88 : 2,073,198.96 = 813,989.28 : x
  2. Step 2: Convert to fraction form
    1,502,330.88/2,073,198.96 = 813,989.28/x
  3. Step 3: Cross multiply
    1,502,330.88x = 2,073,198.96 × 813,989.28
  4. Step 4: Simplify right side
    1,502,330.88x = 1,687,561,728,747.15
  5. Step 5: Solve for x
    x = 1,687,561,728,747.15/1,502,330.88
  6. Step 6: Final answer
    x = 1,123,295.64

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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.