Home / 1,691,217.64-2,536,556.40-492,859.66

Finding the Fourth Proportional to 1,691,217.64, 2,536,556.40 and 492,859.66

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Solution

The fourth proportional to 1,691,217.64, 2,536,556.40 and 492,859.66 is: 739,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,217.64 : 2,536,556.40 = 492,859.66 : x
  2. Step 2: Convert to fraction form
    1,691,217.64/2,536,556.40 = 492,859.66/x
  3. Step 3: Cross multiply
    1,691,217.64x = 2,536,556.40 × 492,859.66
  4. Step 4: Simplify right side
    1,691,217.64x = 1,250,166,324,874.82
  5. Step 5: Solve for x
    x = 1,250,166,324,874.82/1,691,217.64
  6. Step 6: Final answer
    x = 739,210.79

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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.