Home / 1,080,674.32-1,491,515.76-628,227.76

Finding the Fourth Proportional to 1,080,674.32, 1,491,515.76 and 628,227.76

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Solution

The fourth proportional to 1,080,674.32, 1,491,515.76 and 628,227.76 is: 867,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,674.32 : 1,491,515.76 = 628,227.76 : x
  2. Step 2: Convert to fraction form
    1,080,674.32/1,491,515.76 = 628,227.76/x
  3. Step 3: Cross multiply
    1,080,674.32x = 1,491,515.76 × 628,227.76
  4. Step 4: Simplify right side
    1,080,674.32x = 937,011,604,909.50
  5. Step 5: Solve for x
    x = 937,011,604,909.50/1,080,674.32
  6. Step 6: Final answer
    x = 867,061.97

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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.