Home / 1,790,227.20-2,685,376.64-668,072.32

Finding the Fourth Proportional to 1,790,227.20, 2,685,376.64 and 668,072.32

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Solution

The fourth proportional to 1,790,227.20, 2,685,376.64 and 668,072.32 is: 1,002,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,227.20 : 2,685,376.64 = 668,072.32 : x
  2. Step 2: Convert to fraction form
    1,790,227.20/2,685,376.64 = 668,072.32/x
  3. Step 3: Cross multiply
    1,790,227.20x = 2,685,376.64 × 668,072.32
  4. Step 4: Simplify right side
    1,790,227.20x = 1,794,025,801,958.60
  5. Step 5: Solve for x
    x = 1,794,025,801,958.60/1,790,227.20
  6. Step 6: Final answer
    x = 1,002,121.85

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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.