Home / 1,119.17-1,544.13-699.94

Finding the Fourth Proportional to 1,119.17, 1,544.13 and 699.94

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Solution

The fourth proportional to 1,119.17, 1,544.13 and 699.94 is: 965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119.17 : 1,544.13 = 699.94 : x
  2. Step 2: Convert to fraction form
    1,119.17/1,544.13 = 699.94/x
  3. Step 3: Cross multiply
    1,119.17x = 1,544.13 × 699.94
  4. Step 4: Simplify right side
    1,119.17x = 1,080,798.35
  5. Step 5: Solve for x
    x = 1,080,798.35/1,119.17
  6. Step 6: Final answer
    x = 965.71

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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.