Home / 1,248,681.38-1,723,180.31-675,721.56

Finding the Fourth Proportional to 1,248,681.38, 1,723,180.31 and 675,721.56

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Solution

The fourth proportional to 1,248,681.38, 1,723,180.31 and 675,721.56 is: 932,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,681.38 : 1,723,180.31 = 675,721.56 : x
  2. Step 2: Convert to fraction form
    1,248,681.38/1,723,180.31 = 675,721.56/x
  3. Step 3: Cross multiply
    1,248,681.38x = 1,723,180.31 × 675,721.56
  4. Step 4: Simplify right side
    1,248,681.38x = 1,164,390,087,234.48
  5. Step 5: Solve for x
    x = 1,164,390,087,234.48/1,248,681.38
  6. Step 6: Final answer
    x = 932,495.76

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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.