Home / 1,613,189.09-2,226,229.25-878,164.50

Finding the Fourth Proportional to 1,613,189.09, 2,226,229.25 and 878,164.50

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Solution

The fourth proportional to 1,613,189.09, 2,226,229.25 and 878,164.50 is: 1,211,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,189.09 : 2,226,229.25 = 878,164.50 : x
  2. Step 2: Convert to fraction form
    1,613,189.09/2,226,229.25 = 878,164.50/x
  3. Step 3: Cross multiply
    1,613,189.09x = 2,226,229.25 × 878,164.50
  4. Step 4: Simplify right side
    1,613,189.09x = 1,954,995,491,820.80
  5. Step 5: Solve for x
    x = 1,954,995,491,820.80/1,613,189.09
  6. Step 6: Final answer
    x = 1,211,882.42

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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.