Home / 1,511,711.92-2,086,162.32-832,648.48

Finding the Fourth Proportional to 1,511,711.92, 2,086,162.32 and 832,648.48

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Solution

The fourth proportional to 1,511,711.92, 2,086,162.32 and 832,648.48 is: 1,149,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,711.92 : 2,086,162.32 = 832,648.48 : x
  2. Step 2: Convert to fraction form
    1,511,711.92/2,086,162.32 = 832,648.48/x
  3. Step 3: Cross multiply
    1,511,711.92x = 2,086,162.32 × 832,648.48
  4. Step 4: Simplify right side
    1,511,711.92x = 1,737,039,884,781.27
  5. Step 5: Solve for x
    x = 1,737,039,884,781.27/1,511,711.92
  6. Step 6: Final answer
    x = 1,149,054.83

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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.