Home / 1,642,631.01-2,266,806.92-917,489.04

Finding the Fourth Proportional to 1,642,631.01, 2,266,806.92 and 917,489.04

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Solution

The fourth proportional to 1,642,631.01, 2,266,806.92 and 917,489.04 is: 1,266,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,631.01 : 2,266,806.92 = 917,489.04 : x
  2. Step 2: Convert to fraction form
    1,642,631.01/2,266,806.92 = 917,489.04/x
  3. Step 3: Cross multiply
    1,642,631.01x = 2,266,806.92 × 917,489.04
  4. Step 4: Simplify right side
    1,642,631.01x = 2,079,770,500,308.71
  5. Step 5: Solve for x
    x = 2,079,770,500,308.71/1,642,631.01
  6. Step 6: Final answer
    x = 1,266,121.54

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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.