Home / 1,661,008.05-2,491,382.48-649,933.65

Finding the Fourth Proportional to 1,661,008.05, 2,491,382.48 and 649,933.65

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Solution

The fourth proportional to 1,661,008.05, 2,491,382.48 and 649,933.65 is: 974,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,008.05 : 2,491,382.48 = 649,933.65 : x
  2. Step 2: Convert to fraction form
    1,661,008.05/2,491,382.48 = 649,933.65/x
  3. Step 3: Cross multiply
    1,661,008.05x = 2,491,382.48 × 649,933.65
  4. Step 4: Simplify right side
    1,661,008.05x = 1,619,233,305,522.78
  5. Step 5: Solve for x
    x = 1,619,233,305,522.78/1,661,008.05
  6. Step 6: Final answer
    x = 974,849.76

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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.