Home / 1,040,080.60-1,560,120.90-252,112.60

Finding the Fourth Proportional to 1,040,080.60, 1,560,120.90 and 252,112.60

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Solution

The fourth proportional to 1,040,080.60, 1,560,120.90 and 252,112.60 is: 378,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,080.60 : 1,560,120.90 = 252,112.60 : x
  2. Step 2: Convert to fraction form
    1,040,080.60/1,560,120.90 = 252,112.60/x
  3. Step 3: Cross multiply
    1,040,080.60x = 1,560,120.90 × 252,112.60
  4. Step 4: Simplify right side
    1,040,080.60x = 393,326,136,413.34
  5. Step 5: Solve for x
    x = 393,326,136,413.34/1,040,080.60
  6. Step 6: Final answer
    x = 378,168.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.