Home / 1,202,228.80-1,659,079.20-658,369.60

Finding the Fourth Proportional to 1,202,228.80, 1,659,079.20 and 658,369.60

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Solution

The fourth proportional to 1,202,228.80, 1,659,079.20 and 658,369.60 is: 908,551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,228.80 : 1,659,079.20 = 658,369.60 : x
  2. Step 2: Convert to fraction form
    1,202,228.80/1,659,079.20 = 658,369.60/x
  3. Step 3: Cross multiply
    1,202,228.80x = 1,659,079.20 × 658,369.60
  4. Step 4: Simplify right side
    1,202,228.80x = 1,092,287,309,272.32
  5. Step 5: Solve for x
    x = 1,092,287,309,272.32/1,202,228.80
  6. Step 6: Final answer
    x = 908,551.94

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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.