Home / 1,188,086.40-1,781,092.80-1,062,115.20

Finding the Fourth Proportional to 1,188,086.40, 1,781,092.80 and 1,062,115.20

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Solution

The fourth proportional to 1,188,086.40, 1,781,092.80 and 1,062,115.20 is: 1,592,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,086.40 : 1,781,092.80 = 1,062,115.20 : x
  2. Step 2: Convert to fraction form
    1,188,086.40/1,781,092.80 = 1,062,115.20/x
  3. Step 3: Cross multiply
    1,188,086.40x = 1,781,092.80 × 1,062,115.20
  4. Step 4: Simplify right side
    1,188,086.40x = 1,891,725,735,490.56
  5. Step 5: Solve for x
    x = 1,891,725,735,490.56/1,188,086.40
  6. Step 6: Final answer
    x = 1,592,245.93

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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.