Home / 1,080,675.32-1,491,517.14-628,228.76

Finding the Fourth Proportional to 1,080,675.32, 1,491,517.14 and 628,228.76

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Solution

The fourth proportional to 1,080,675.32, 1,491,517.14 and 628,228.76 is: 867,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,675.32 : 1,491,517.14 = 628,228.76 : x
  2. Step 2: Convert to fraction form
    1,080,675.32/1,491,517.14 = 628,228.76/x
  3. Step 3: Cross multiply
    1,080,675.32x = 1,491,517.14 × 628,228.76
  4. Step 4: Simplify right side
    1,080,675.32x = 937,013,963,380.95
  5. Step 5: Solve for x
    x = 937,013,963,380.95/1,080,675.32
  6. Step 6: Final answer
    x = 867,063.35

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Double scale
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1.5x scale

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.