Home / 1,379,387.27-2,069,082.07-659,559.61

Finding the Fourth Proportional to 1,379,387.27, 2,069,082.07 and 659,559.61

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Solution

The fourth proportional to 1,379,387.27, 2,069,082.07 and 659,559.61 is: 989,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,387.27 : 2,069,082.07 = 659,559.61 : x
  2. Step 2: Convert to fraction form
    1,379,387.27/2,069,082.07 = 659,559.61/x
  3. Step 3: Cross multiply
    1,379,387.27x = 2,069,082.07 × 659,559.61
  4. Step 4: Simplify right side
    1,379,387.27x = 1,364,682,967,794.67
  5. Step 5: Solve for x
    x = 1,364,682,967,794.67/1,379,387.27
  6. Step 6: Final answer
    x = 989,339.97

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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.