Home / 1,382,049.36-1,907,293.05-809,274.06

Finding the Fourth Proportional to 1,382,049.36, 1,907,293.05 and 809,274.06

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Solution

The fourth proportional to 1,382,049.36, 1,907,293.05 and 809,274.06 is: 1,116,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,049.36 : 1,907,293.05 = 809,274.06 : x
  2. Step 2: Convert to fraction form
    1,382,049.36/1,907,293.05 = 809,274.06/x
  3. Step 3: Cross multiply
    1,382,049.36x = 1,907,293.05 × 809,274.06
  4. Step 4: Simplify right side
    1,382,049.36x = 1,543,522,790,183.28
  5. Step 5: Solve for x
    x = 1,543,522,790,183.28/1,382,049.36
  6. Step 6: Final answer
    x = 1,116,836.23

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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.