Home / 1,092,951.76-1,640,049.78-719,150.80

Finding the Fourth Proportional to 1,092,951.76, 1,640,049.78 and 719,150.80

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Solution

The fourth proportional to 1,092,951.76, 1,640,049.78 and 719,150.80 is: 1,079,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,951.76 : 1,640,049.78 = 719,150.80 : x
  2. Step 2: Convert to fraction form
    1,092,951.76/1,640,049.78 = 719,150.80/x
  3. Step 3: Cross multiply
    1,092,951.76x = 1,640,049.78 × 719,150.80
  4. Step 4: Simplify right side
    1,092,951.76x = 1,179,443,111,326.82
  5. Step 5: Solve for x
    x = 1,179,443,111,326.82/1,092,951.76
  6. Step 6: Final answer
    x = 1,079,135.56

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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.