Home / 1,040,090.60-1,560,135.90-252,122.60

Finding the Fourth Proportional to 1,040,090.60, 1,560,135.90 and 252,122.60

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Solution

The fourth proportional to 1,040,090.60, 1,560,135.90 and 252,122.60 is: 378,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,090.60 : 1,560,135.90 = 252,122.60 : x
  2. Step 2: Convert to fraction form
    1,040,090.60/1,560,135.90 = 252,122.60/x
  3. Step 3: Cross multiply
    1,040,090.60x = 1,560,135.90 × 252,122.60
  4. Step 4: Simplify right side
    1,040,090.60x = 393,345,519,461.34
  5. Step 5: Solve for x
    x = 393,345,519,461.34/1,040,090.60
  6. Step 6: Final answer
    x = 378,183.90

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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.