Home / 1,324,257.34-1,986,375.48-876,979.66

Finding the Fourth Proportional to 1,324,257.34, 1,986,375.48 and 876,979.66

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Solution

The fourth proportional to 1,324,257.34, 1,986,375.48 and 876,979.66 is: 1,315,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,257.34 : 1,986,375.48 = 876,979.66 : x
  2. Step 2: Convert to fraction form
    1,324,257.34/1,986,375.48 = 876,979.66/x
  3. Step 3: Cross multiply
    1,324,257.34x = 1,986,375.48 × 876,979.66
  4. Step 4: Simplify right side
    1,324,257.34x = 1,742,010,893,082.74
  5. Step 5: Solve for x
    x = 1,742,010,893,082.74/1,324,257.34
  6. Step 6: Final answer
    x = 1,315,462.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.