Home / 1,517,890.10-2,279,459.55-809,302.10

Finding the Fourth Proportional to 1,517,890.10, 2,279,459.55 and 809,302.10

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Solution

The fourth proportional to 1,517,890.10, 2,279,459.55 and 809,302.10 is: 1,215,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,890.10 : 2,279,459.55 = 809,302.10 : x
  2. Step 2: Convert to fraction form
    1,517,890.10/2,279,459.55 = 809,302.10/x
  3. Step 3: Cross multiply
    1,517,890.10x = 2,279,459.55 × 809,302.10
  4. Step 4: Simplify right side
    1,517,890.10x = 1,844,771,400,680.05
  5. Step 5: Solve for x
    x = 1,844,771,400,680.05/1,517,890.10
  6. Step 6: Final answer
    x = 1,215,352.42

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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.