Home / 1,158,608.91-1,598,974.97-642,524.43

Finding the Fourth Proportional to 1,158,608.91, 1,598,974.97 and 642,524.43

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Solution

The fourth proportional to 1,158,608.91, 1,598,974.97 and 642,524.43 is: 886,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,608.91 : 1,598,974.97 = 642,524.43 : x
  2. Step 2: Convert to fraction form
    1,158,608.91/1,598,974.97 = 642,524.43/x
  3. Step 3: Cross multiply
    1,158,608.91x = 1,598,974.97 × 642,524.43
  4. Step 4: Simplify right side
    1,158,608.91x = 1,027,380,474,794.95
  5. Step 5: Solve for x
    x = 1,027,380,474,794.95/1,158,608.91
  6. Step 6: Final answer
    x = 886,736.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.