Home / 1,100,989.32-1,651,403.78-493,965.60

Finding the Fourth Proportional to 1,100,989.32, 1,651,403.78 and 493,965.60

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Solution

The fourth proportional to 1,100,989.32, 1,651,403.78 and 493,965.60 is: 740,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,989.32 : 1,651,403.78 = 493,965.60 : x
  2. Step 2: Convert to fraction form
    1,100,989.32/1,651,403.78 = 493,965.60/x
  3. Step 3: Cross multiply
    1,100,989.32x = 1,651,403.78 × 493,965.60
  4. Step 4: Simplify right side
    1,100,989.32x = 815,736,659,029.97
  5. Step 5: Solve for x
    x = 815,736,659,029.97/1,100,989.32
  6. Step 6: Final answer
    x = 740,912.42

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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.