Home / 952,126.85-1,428,282.32-278,192.78

Finding the Fourth Proportional to 952,126.85, 1,428,282.32 and 278,192.78

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Solution

The fourth proportional to 952,126.85, 1,428,282.32 and 278,192.78 is: 417,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,126.85 : 1,428,282.32 = 278,192.78 : x
  2. Step 2: Convert to fraction form
    952,126.85/1,428,282.32 = 278,192.78/x
  3. Step 3: Cross multiply
    952,126.85x = 1,428,282.32 × 278,192.78
  4. Step 4: Simplify right side
    952,126.85x = 397,337,826,049.33
  5. Step 5: Solve for x
    x = 397,337,826,049.33/952,126.85
  6. Step 6: Final answer
    x = 417,316.06

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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.