Home / 1,382,179.10-1,908,379.71-969,593.04

Finding the Fourth Proportional to 1,382,179.10, 1,908,379.71 and 969,593.04

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Solution

The fourth proportional to 1,382,179.10, 1,908,379.71 and 969,593.04 is: 1,338,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,179.10 : 1,908,379.71 = 969,593.04 : x
  2. Step 2: Convert to fraction form
    1,382,179.10/1,908,379.71 = 969,593.04/x
  3. Step 3: Cross multiply
    1,382,179.10x = 1,908,379.71 × 969,593.04
  4. Step 4: Simplify right side
    1,382,179.10x = 1,850,351,684,493.22
  5. Step 5: Solve for x
    x = 1,850,351,684,493.22/1,382,179.10
  6. Step 6: Final answer
    x = 1,338,720.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.