Home / 1,040.70-1,436.32-598.66

Finding the Fourth Proportional to 1,040.70, 1,436.32 and 598.66

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Solution

The fourth proportional to 1,040.70, 1,436.32 and 598.66 is: 826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.70 : 1,436.32 = 598.66 : x
  2. Step 2: Convert to fraction form
    1,040.70/1,436.32 = 598.66/x
  3. Step 3: Cross multiply
    1,040.70x = 1,436.32 × 598.66
  4. Step 4: Simplify right side
    1,040.70x = 859,867.33
  5. Step 5: Solve for x
    x = 859,867.33/1,040.70
  6. Step 6: Final answer
    x = 826.24

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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.