Home / 1,248,689.72-1,723,191.90-675,729.92

Finding the Fourth Proportional to 1,248,689.72, 1,723,191.90 and 675,729.92

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Solution

The fourth proportional to 1,248,689.72, 1,723,191.90 and 675,729.92 is: 932,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,689.72 : 1,723,191.90 = 675,729.92 : x
  2. Step 2: Convert to fraction form
    1,248,689.72/1,723,191.90 = 675,729.92/x
  3. Step 3: Cross multiply
    1,248,689.72x = 1,723,191.90 × 675,729.92
  4. Step 4: Simplify right side
    1,248,689.72x = 1,164,412,324,731.65
  5. Step 5: Solve for x
    x = 1,164,412,324,731.65/1,248,689.72
  6. Step 6: Final answer
    x = 932,507.34

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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.