Home / 1,124.18-1,674.41-1,065.66

Finding the Fourth Proportional to 1,124.18, 1,674.41 and 1,065.66

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Solution

The fourth proportional to 1,124.18, 1,674.41 and 1,065.66 is: 1,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.18 : 1,674.41 = 1,065.66 : x
  2. Step 2: Convert to fraction form
    1,124.18/1,674.41 = 1,065.66/x
  3. Step 3: Cross multiply
    1,124.18x = 1,674.41 × 1,065.66
  4. Step 4: Simplify right side
    1,124.18x = 1,784,340.15
  5. Step 5: Solve for x
    x = 1,784,340.15/1,124.18
  6. Step 6: Final answer
    x = 1,587.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.