Home / 1,324,949.20-1,987,433.80-725,583.40

Finding the Fourth Proportional to 1,324,949.20, 1,987,433.80 and 725,583.40

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Solution

The fourth proportional to 1,324,949.20, 1,987,433.80 and 725,583.40 is: 1,088,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,949.20 : 1,987,433.80 = 725,583.40 : x
  2. Step 2: Convert to fraction form
    1,324,949.20/1,987,433.80 = 725,583.40/x
  3. Step 3: Cross multiply
    1,324,949.20x = 1,987,433.80 × 725,583.40
  4. Step 4: Simplify right side
    1,324,949.20x = 1,442,048,967,096.38
  5. Step 5: Solve for x
    x = 1,442,048,967,096.38/1,324,949.20
  6. Step 6: Final answer
    x = 1,088,380.57

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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.