Home / 1,561,418.28-2,154,729.12-882,340.20

Finding the Fourth Proportional to 1,561,418.28, 2,154,729.12 and 882,340.20

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Solution

The fourth proportional to 1,561,418.28, 2,154,729.12 and 882,340.20 is: 1,217,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,418.28 : 2,154,729.12 = 882,340.20 : x
  2. Step 2: Convert to fraction form
    1,561,418.28/2,154,729.12 = 882,340.20/x
  3. Step 3: Cross multiply
    1,561,418.28x = 2,154,729.12 × 882,340.20
  4. Step 4: Simplify right side
    1,561,418.28x = 1,901,204,122,686.62
  5. Step 5: Solve for x
    x = 1,901,204,122,686.62/1,561,418.28
  6. Step 6: Final answer
    x = 1,217,613.59

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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.