Home / 1,040.01-1,557.99-1,012.47

Finding the Fourth Proportional to 1,040.01, 1,557.99 and 1,012.47

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Solution

The fourth proportional to 1,040.01, 1,557.99 and 1,012.47 is: 1,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.01 : 1,557.99 = 1,012.47 : x
  2. Step 2: Convert to fraction form
    1,040.01/1,557.99 = 1,012.47/x
  3. Step 3: Cross multiply
    1,040.01x = 1,557.99 × 1,012.47
  4. Step 4: Simplify right side
    1,040.01x = 1,577,418.14
  5. Step 5: Solve for x
    x = 1,577,418.14/1,040.01
  6. Step 6: Final answer
    x = 1,516.73

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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.