Home / 1,248,680.38-1,723,178.93-675,720.56

Finding the Fourth Proportional to 1,248,680.38, 1,723,178.93 and 675,720.56

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Solution

The fourth proportional to 1,248,680.38, 1,723,178.93 and 675,720.56 is: 932,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,680.38 : 1,723,178.93 = 675,720.56 : x
  2. Step 2: Convert to fraction form
    1,248,680.38/1,723,178.93 = 675,720.56/x
  3. Step 3: Cross multiply
    1,248,680.38x = 1,723,178.93 × 675,720.56
  4. Step 4: Simplify right side
    1,248,680.38x = 1,164,387,422,943.91
  5. Step 5: Solve for x
    x = 1,164,387,422,943.91/1,248,680.38
  6. Step 6: Final answer
    x = 932,494.37

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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.