Home / 1,805,857.50-2,491,224.72-1,080,559.20

Finding the Fourth Proportional to 1,805,857.50, 2,491,224.72 and 1,080,559.20

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Solution

The fourth proportional to 1,805,857.50, 2,491,224.72 and 1,080,559.20 is: 1,490,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,857.50 : 2,491,224.72 = 1,080,559.20 : x
  2. Step 2: Convert to fraction form
    1,805,857.50/2,491,224.72 = 1,080,559.20/x
  3. Step 3: Cross multiply
    1,805,857.50x = 2,491,224.72 × 1,080,559.20
  4. Step 4: Simplify right side
    1,805,857.50x = 2,691,915,790,463.42
  5. Step 5: Solve for x
    x = 2,691,915,790,463.42/1,805,857.50
  6. Step 6: Final answer
    x = 1,490,657.92

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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.