Home / 1,663,676.80-2,494,286.40-665,891.20

Finding the Fourth Proportional to 1,663,676.80, 2,494,286.40 and 665,891.20

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Solution

The fourth proportional to 1,663,676.80, 2,494,286.40 and 665,891.20 is: 998,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,676.80 : 2,494,286.40 = 665,891.20 : x
  2. Step 2: Convert to fraction form
    1,663,676.80/2,494,286.40 = 665,891.20/x
  3. Step 3: Cross multiply
    1,663,676.80x = 2,494,286.40 × 665,891.20
  4. Step 4: Simplify right side
    1,663,676.80x = 1,660,923,364,039.68
  5. Step 5: Solve for x
    x = 1,660,923,364,039.68/1,663,676.80
  6. Step 6: Final answer
    x = 998,344.97

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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.