Home / 1,382,380.68-2,073,853.26-783,609.24

Finding the Fourth Proportional to 1,382,380.68, 2,073,853.26 and 783,609.24

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Solution

The fourth proportional to 1,382,380.68, 2,073,853.26 and 783,609.24 is: 1,175,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,380.68 : 2,073,853.26 = 783,609.24 : x
  2. Step 2: Convert to fraction form
    1,382,380.68/2,073,853.26 = 783,609.24/x
  3. Step 3: Cross multiply
    1,382,380.68x = 2,073,853.26 × 783,609.24
  4. Step 4: Simplify right side
    1,382,380.68x = 1,625,090,576,940.12
  5. Step 5: Solve for x
    x = 1,625,090,576,940.12/1,382,380.68
  6. Step 6: Final answer
    x = 1,175,573.85

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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.