Home / 1,080,608.16-1,491,694.80-731,825.40

Finding the Fourth Proportional to 1,080,608.16, 1,491,694.80 and 731,825.40

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Solution

The fourth proportional to 1,080,608.16, 1,491,694.80 and 731,825.40 is: 1,010,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,608.16 : 1,491,694.80 = 731,825.40 : x
  2. Step 2: Convert to fraction form
    1,080,608.16/1,491,694.80 = 731,825.40/x
  3. Step 3: Cross multiply
    1,080,608.16x = 1,491,694.80 × 731,825.40
  4. Step 4: Simplify right side
    1,080,608.16x = 1,091,660,143,687.92
  5. Step 5: Solve for x
    x = 1,091,660,143,687.92/1,080,608.16
  6. Step 6: Final answer
    x = 1,010,227.56

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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.