Home / 1,063.60-1,466.68-1,039.76

Finding the Fourth Proportional to 1,063.60, 1,466.68 and 1,039.76

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Solution

The fourth proportional to 1,063.60, 1,466.68 and 1,039.76 is: 1,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.60 : 1,466.68 = 1,039.76 : x
  2. Step 2: Convert to fraction form
    1,063.60/1,466.68 = 1,039.76/x
  3. Step 3: Cross multiply
    1,063.60x = 1,466.68 × 1,039.76
  4. Step 4: Simplify right side
    1,063.60x = 1,524,995.20
  5. Step 5: Solve for x
    x = 1,524,995.20/1,063.60
  6. Step 6: Final answer
    x = 1,433.81

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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.