Home / 1,040,008.50-1,560,012.75-252,040.50

Finding the Fourth Proportional to 1,040,008.50, 1,560,012.75 and 252,040.50

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Solution

The fourth proportional to 1,040,008.50, 1,560,012.75 and 252,040.50 is: 378,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,008.50 : 1,560,012.75 = 252,040.50 : x
  2. Step 2: Convert to fraction form
    1,040,008.50/1,560,012.75 = 252,040.50/x
  3. Step 3: Cross multiply
    1,040,008.50x = 1,560,012.75 × 252,040.50
  4. Step 4: Simplify right side
    1,040,008.50x = 393,186,393,516.38
  5. Step 5: Solve for x
    x = 393,186,393,516.38/1,040,008.50
  6. Step 6: Final answer
    x = 378,060.75

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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.