Home / 1,661,645.80-2,491,547.10-663,245.80

Finding the Fourth Proportional to 1,661,645.80, 2,491,547.10 and 663,245.80

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Solution

The fourth proportional to 1,661,645.80, 2,491,547.10 and 663,245.80 is: 994,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,645.80 : 2,491,547.10 = 663,245.80 : x
  2. Step 2: Convert to fraction form
    1,661,645.80/2,491,547.10 = 663,245.80/x
  3. Step 3: Cross multiply
    1,661,645.80x = 2,491,547.10 × 663,245.80
  4. Step 4: Simplify right side
    1,661,645.80x = 1,652,508,149,577.18
  5. Step 5: Solve for x
    x = 1,652,508,149,577.18/1,661,645.80
  6. Step 6: Final answer
    x = 994,500.84

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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.