Home / 1,195.86-1,785.75-1,127.52

Finding the Fourth Proportional to 1,195.86, 1,785.75 and 1,127.52

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Solution

The fourth proportional to 1,195.86, 1,785.75 and 1,127.52 is: 1,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.86 : 1,785.75 = 1,127.52 : x
  2. Step 2: Convert to fraction form
    1,195.86/1,785.75 = 1,127.52/x
  3. Step 3: Cross multiply
    1,195.86x = 1,785.75 × 1,127.52
  4. Step 4: Simplify right side
    1,195.86x = 2,013,464.61
  5. Step 5: Solve for x
    x = 2,013,464.61/1,195.86
  6. Step 6: Final answer
    x = 1,683.69

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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.