Home / 1,259,821.92-1,889,716.47-313,200.84

Finding the Fourth Proportional to 1,259,821.92, 1,889,716.47 and 313,200.84

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Solution

The fourth proportional to 1,259,821.92, 1,889,716.47 and 313,200.84 is: 469,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,821.92 : 1,889,716.47 = 313,200.84 : x
  2. Step 2: Convert to fraction form
    1,259,821.92/1,889,716.47 = 313,200.84/x
  3. Step 3: Cross multiply
    1,259,821.92x = 1,889,716.47 × 313,200.84
  4. Step 4: Simplify right side
    1,259,821.92x = 591,860,785,765.84
  5. Step 5: Solve for x
    x = 591,860,785,765.84/1,259,821.92
  6. Step 6: Final answer
    x = 469,797.18

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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.