Home / 1,660,521.47-2,491,729.36-649,725.71

Finding the Fourth Proportional to 1,660,521.47, 2,491,729.36 and 649,725.71

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Solution

The fourth proportional to 1,660,521.47, 2,491,729.36 and 649,725.71 is: 974,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,521.47 : 2,491,729.36 = 649,725.71 : x
  2. Step 2: Convert to fraction form
    1,660,521.47/2,491,729.36 = 649,725.71/x
  3. Step 3: Cross multiply
    1,660,521.47x = 2,491,729.36 × 649,725.71
  4. Step 4: Simplify right side
    1,660,521.47x = 1,618,940,613,470.88
  5. Step 5: Solve for x
    x = 1,618,940,613,470.88/1,660,521.47
  6. Step 6: Final answer
    x = 974,959.16

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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.