Home / 1,039.37-1,556.35-576.18

Finding the Fourth Proportional to 1,039.37, 1,556.35 and 576.18

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Solution

The fourth proportional to 1,039.37, 1,556.35 and 576.18 is: 862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.37 : 1,556.35 = 576.18 : x
  2. Step 2: Convert to fraction form
    1,039.37/1,556.35 = 576.18/x
  3. Step 3: Cross multiply
    1,039.37x = 1,556.35 × 576.18
  4. Step 4: Simplify right side
    1,039.37x = 896,736.30
  5. Step 5: Solve for x
    x = 896,736.30/1,039.37
  6. Step 6: Final answer
    x = 862.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.