Home / 1,327,243.50-1,990,872.54-329,971.50

Finding the Fourth Proportional to 1,327,243.50, 1,990,872.54 and 329,971.50

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Solution

The fourth proportional to 1,327,243.50, 1,990,872.54 and 329,971.50 is: 494,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,243.50 : 1,990,872.54 = 329,971.50 : x
  2. Step 2: Convert to fraction form
    1,327,243.50/1,990,872.54 = 329,971.50/x
  3. Step 3: Cross multiply
    1,327,243.50x = 1,990,872.54 × 329,971.50
  4. Step 4: Simplify right side
    1,327,243.50x = 656,931,198,332.61
  5. Step 5: Solve for x
    x = 656,931,198,332.61/1,327,243.50
  6. Step 6: Final answer
    x = 494,959.06

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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.