Home / 1,204,728.12-1,662,527.33-660,868.30

Finding the Fourth Proportional to 1,204,728.12, 1,662,527.33 and 660,868.30

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Solution

The fourth proportional to 1,204,728.12, 1,662,527.33 and 660,868.30 is: 911,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,728.12 : 1,662,527.33 = 660,868.30 : x
  2. Step 2: Convert to fraction form
    1,204,728.12/1,662,527.33 = 660,868.30/x
  3. Step 3: Cross multiply
    1,204,728.12x = 1,662,527.33 × 660,868.30
  4. Step 4: Simplify right side
    1,204,728.12x = 1,098,711,610,280.64
  5. Step 5: Solve for x
    x = 1,098,711,610,280.64/1,204,728.12
  6. Step 6: Final answer
    x = 911,999.64

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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.