Home / 1,259,819.92-1,889,713.48-313,198.84

Finding the Fourth Proportional to 1,259,819.92, 1,889,713.48 and 313,198.84

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Solution

The fourth proportional to 1,259,819.92, 1,889,713.48 and 313,198.84 is: 469,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,819.92 : 1,889,713.48 = 313,198.84 : x
  2. Step 2: Convert to fraction form
    1,259,819.92/1,889,713.48 = 313,198.84/x
  3. Step 3: Cross multiply
    1,259,819.92x = 1,889,713.48 × 313,198.84
  4. Step 4: Simplify right side
    1,259,819.92x = 591,856,069,868.36
  5. Step 5: Solve for x
    x = 591,856,069,868.36/1,259,819.92
  6. Step 6: Final answer
    x = 469,794.18

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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.