Home / 1,080,752.82-1,491,624.09-628,306.26

Finding the Fourth Proportional to 1,080,752.82, 1,491,624.09 and 628,306.26

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Solution

The fourth proportional to 1,080,752.82, 1,491,624.09 and 628,306.26 is: 867,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,752.82 : 1,491,624.09 = 628,306.26 : x
  2. Step 2: Convert to fraction form
    1,080,752.82/1,491,624.09 = 628,306.26/x
  3. Step 3: Cross multiply
    1,080,752.82x = 1,491,624.09 × 628,306.26
  4. Step 4: Simplify right side
    1,080,752.82x = 937,196,753,313.80
  5. Step 5: Solve for x
    x = 937,196,753,313.80/1,080,752.82
  6. Step 6: Final answer
    x = 867,170.31

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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.