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Finding the Fourth Proportional to 1,195,812, 1,650,220.56 and 659,268

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Solution

The fourth proportional to 1,195,812, 1,650,220.56 and 659,268 is: 909,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,812 : 1,650,220.56 = 659,268 : x
  2. Step 2: Convert to fraction form
    1,195,812/1,650,220.56 = 659,268/x
  3. Step 3: Cross multiply
    1,195,812x = 1,650,220.56 × 659,268
  4. Step 4: Simplify right side
    1,195,812x = 1,087,937,608,150.08
  5. Step 5: Solve for x
    x = 1,087,937,608,150.08/1,195,812
  6. Step 6: Final answer
    x = 909,789.84

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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.