Home / 1,248,687.72-1,723,189.14-675,727.92

Finding the Fourth Proportional to 1,248,687.72, 1,723,189.14 and 675,727.92

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Solution

The fourth proportional to 1,248,687.72, 1,723,189.14 and 675,727.92 is: 932,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,687.72 : 1,723,189.14 = 675,727.92 : x
  2. Step 2: Convert to fraction form
    1,248,687.72/1,723,189.14 = 675,727.92/x
  3. Step 3: Cross multiply
    1,248,687.72x = 1,723,189.14 × 675,727.92
  4. Step 4: Simplify right side
    1,248,687.72x = 1,164,407,013,338.79
  5. Step 5: Solve for x
    x = 1,164,407,013,338.79/1,248,687.72
  6. Step 6: Final answer
    x = 932,504.58

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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.