Home / 1,721,242.76-2,375,399.13-957,279.92

Finding the Fourth Proportional to 1,721,242.76, 2,375,399.13 and 957,279.92

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Solution

The fourth proportional to 1,721,242.76, 2,375,399.13 and 957,279.92 is: 1,321,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,242.76 : 2,375,399.13 = 957,279.92 : x
  2. Step 2: Convert to fraction form
    1,721,242.76/2,375,399.13 = 957,279.92/x
  3. Step 3: Cross multiply
    1,721,242.76x = 2,375,399.13 × 957,279.92
  4. Step 4: Simplify right side
    1,721,242.76x = 2,273,921,889,134.47
  5. Step 5: Solve for x
    x = 2,273,921,889,134.47/1,721,242.76
  6. Step 6: Final answer
    x = 1,321,093.07

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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.