Home / 1,158,853.86-1,599,221.88-642,644.10

Finding the Fourth Proportional to 1,158,853.86, 1,599,221.88 and 642,644.10

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Solution

The fourth proportional to 1,158,853.86, 1,599,221.88 and 642,644.10 is: 886,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,853.86 : 1,599,221.88 = 642,644.10 : x
  2. Step 2: Convert to fraction form
    1,158,853.86/1,599,221.88 = 642,644.10/x
  3. Step 3: Cross multiply
    1,158,853.86x = 1,599,221.88 × 642,644.10
  4. Step 4: Simplify right side
    1,158,853.86x = 1,027,730,505,772.91
  5. Step 5: Solve for x
    x = 1,027,730,505,772.91/1,158,853.86
  6. Step 6: Final answer
    x = 886,850.83

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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.