Home / 1,040.93-1,436.49-575.18

Finding the Fourth Proportional to 1,040.93, 1,436.49 and 575.18

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Solution

The fourth proportional to 1,040.93, 1,436.49 and 575.18 is: 793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.93 : 1,436.49 = 575.18 : x
  2. Step 2: Convert to fraction form
    1,040.93/1,436.49 = 575.18/x
  3. Step 3: Cross multiply
    1,040.93x = 1,436.49 × 575.18
  4. Step 4: Simplify right side
    1,040.93x = 826,240.32
  5. Step 5: Solve for x
    x = 826,240.32/1,040.93
  6. Step 6: Final answer
    x = 793.75

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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.