Home / 881,055.92-1,320,937.49-281,672.12

Finding the Fourth Proportional to 881,055.92, 1,320,937.49 and 281,672.12

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Solution

The fourth proportional to 881,055.92, 1,320,937.49 and 281,672.12 is: 422,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,055.92 : 1,320,937.49 = 281,672.12 : x
  2. Step 2: Convert to fraction form
    881,055.92/1,320,937.49 = 281,672.12/x
  3. Step 3: Cross multiply
    881,055.92x = 1,320,937.49 × 281,672.12
  4. Step 4: Simplify right side
    881,055.92x = 372,071,255,182.73
  5. Step 5: Solve for x
    x = 372,071,255,182.73/881,055.92
  6. Step 6: Final answer
    x = 422,301.52

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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.