Home / 1,204,350.72-1,661,913.60-660,399.36

Finding the Fourth Proportional to 1,204,350.72, 1,661,913.60 and 660,399.36

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Solution

The fourth proportional to 1,204,350.72, 1,661,913.60 and 660,399.36 is: 911,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,350.72 : 1,661,913.60 = 660,399.36 : x
  2. Step 2: Convert to fraction form
    1,204,350.72/1,661,913.60 = 660,399.36/x
  3. Step 3: Cross multiply
    1,204,350.72x = 1,661,913.60 × 660,399.36
  4. Step 4: Simplify right side
    1,204,350.72x = 1,097,526,677,815.30
  5. Step 5: Solve for x
    x = 1,097,526,677,815.30/1,204,350.72
  6. Step 6: Final answer
    x = 911,301.55

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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.