Home / 1,204,125.60-1,661,712-660,311.04

Finding the Fourth Proportional to 1,204,125.60, 1,661,712 and 660,311.04

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Solution

The fourth proportional to 1,204,125.60, 1,661,712 and 660,311.04 is: 911,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,125.60 : 1,661,712 = 660,311.04 : x
  2. Step 2: Convert to fraction form
    1,204,125.60/1,661,712 = 660,311.04/x
  3. Step 3: Cross multiply
    1,204,125.60x = 1,661,712 × 660,311.04
  4. Step 4: Simplify right side
    1,204,125.60x = 1,097,246,778,900.48
  5. Step 5: Solve for x
    x = 1,097,246,778,900.48/1,204,125.60
  6. Step 6: Final answer
    x = 911,239.47

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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.