Home / 1,660,854.80-2,491,282.20-821,046.80

Finding the Fourth Proportional to 1,660,854.80, 2,491,282.20 and 821,046.80

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Solution

The fourth proportional to 1,660,854.80, 2,491,282.20 and 821,046.80 is: 1,231,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,854.80 : 2,491,282.20 = 821,046.80 : x
  2. Step 2: Convert to fraction form
    1,660,854.80/2,491,282.20 = 821,046.80/x
  3. Step 3: Cross multiply
    1,660,854.80x = 2,491,282.20 × 821,046.80
  4. Step 4: Simplify right side
    1,660,854.80x = 2,045,459,278,206.96
  5. Step 5: Solve for x
    x = 2,045,459,278,206.96/1,660,854.80
  6. Step 6: Final answer
    x = 1,231,570.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.