Home / 1,202,912.82-1,659,994.28-659,022.12

Finding the Fourth Proportional to 1,202,912.82, 1,659,994.28 and 659,022.12

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Solution

The fourth proportional to 1,202,912.82, 1,659,994.28 and 659,022.12 is: 909,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,912.82 : 1,659,994.28 = 659,022.12 : x
  2. Step 2: Convert to fraction form
    1,202,912.82/1,659,994.28 = 659,022.12/x
  3. Step 3: Cross multiply
    1,202,912.82x = 1,659,994.28 × 659,022.12
  4. Step 4: Simplify right side
    1,202,912.82x = 1,093,972,949,593.47
  5. Step 5: Solve for x
    x = 1,093,972,949,593.47/1,202,912.82
  6. Step 6: Final answer
    x = 909,436.60

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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.