Home / 1,633,980.72-2,253,310.20-1,090,138.62

Finding the Fourth Proportional to 1,633,980.72, 2,253,310.20 and 1,090,138.62

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Solution

The fourth proportional to 1,633,980.72, 2,253,310.20 and 1,090,138.62 is: 1,503,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,980.72 : 2,253,310.20 = 1,090,138.62 : x
  2. Step 2: Convert to fraction form
    1,633,980.72/2,253,310.20 = 1,090,138.62/x
  3. Step 3: Cross multiply
    1,633,980.72x = 2,253,310.20 × 1,090,138.62
  4. Step 4: Simplify right side
    1,633,980.72x = 2,456,420,471,859.92
  5. Step 5: Solve for x
    x = 2,456,420,471,859.92/1,633,980.72
  6. Step 6: Final answer
    x = 1,503,335.04

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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.