Home / 1,002,008.80-1,502,639.79-402,767.97

Finding the Fourth Proportional to 1,002,008.80, 1,502,639.79 and 402,767.97

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Solution

The fourth proportional to 1,002,008.80, 1,502,639.79 and 402,767.97 is: 604,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,008.80 : 1,502,639.79 = 402,767.97 : x
  2. Step 2: Convert to fraction form
    1,002,008.80/1,502,639.79 = 402,767.97/x
  3. Step 3: Cross multiply
    1,002,008.80x = 1,502,639.79 × 402,767.97
  4. Step 4: Simplify right side
    1,002,008.80x = 605,215,177,859.53
  5. Step 5: Solve for x
    x = 605,215,177,859.53/1,002,008.80
  6. Step 6: Final answer
    x = 604,001.86

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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.