Home / 1,063.26-1,467.45-784.95

Finding the Fourth Proportional to 1,063.26, 1,467.45 and 784.95

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Solution

The fourth proportional to 1,063.26, 1,467.45 and 784.95 is: 1,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.26 : 1,467.45 = 784.95 : x
  2. Step 2: Convert to fraction form
    1,063.26/1,467.45 = 784.95/x
  3. Step 3: Cross multiply
    1,063.26x = 1,467.45 × 784.95
  4. Step 4: Simplify right side
    1,063.26x = 1,151,874.88
  5. Step 5: Solve for x
    x = 1,151,874.88/1,063.26
  6. Step 6: Final answer
    x = 1,083.34

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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.