Home / 1,682,781.52-2,322,229.31-918,829.62

Finding the Fourth Proportional to 1,682,781.52, 2,322,229.31 and 918,829.62

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Solution

The fourth proportional to 1,682,781.52, 2,322,229.31 and 918,829.62 is: 1,267,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,781.52 : 2,322,229.31 = 918,829.62 : x
  2. Step 2: Convert to fraction form
    1,682,781.52/2,322,229.31 = 918,829.62/x
  3. Step 3: Cross multiply
    1,682,781.52x = 2,322,229.31 × 918,829.62
  4. Step 4: Simplify right side
    1,682,781.52x = 2,133,733,062,849.02
  5. Step 5: Solve for x
    x = 2,133,733,062,849.02/1,682,781.52
  6. Step 6: Final answer
    x = 1,267,979.85

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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.