Home / 1,517,912.10-2,279,492.55-809,324.10

Finding the Fourth Proportional to 1,517,912.10, 2,279,492.55 and 809,324.10

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Solution

The fourth proportional to 1,517,912.10, 2,279,492.55 and 809,324.10 is: 1,215,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,912.10 : 2,279,492.55 = 809,324.10 : x
  2. Step 2: Convert to fraction form
    1,517,912.10/2,279,492.55 = 809,324.10/x
  3. Step 3: Cross multiply
    1,517,912.10x = 2,279,492.55 × 809,324.10
  4. Step 4: Simplify right side
    1,517,912.10x = 1,844,848,256,485.45
  5. Step 5: Solve for x
    x = 1,844,848,256,485.45/1,517,912.10
  6. Step 6: Final answer
    x = 1,215,385.43

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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.