Home / 1,212.26-1,819.23-563.42

Finding the Fourth Proportional to 1,212.26, 1,819.23 and 563.42

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Solution

The fourth proportional to 1,212.26, 1,819.23 and 563.42 is: 845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212.26 : 1,819.23 = 563.42 : x
  2. Step 2: Convert to fraction form
    1,212.26/1,819.23 = 563.42/x
  3. Step 3: Cross multiply
    1,212.26x = 1,819.23 × 563.42
  4. Step 4: Simplify right side
    1,212.26x = 1,024,990.57
  5. Step 5: Solve for x
    x = 1,024,990.57/1,212.26
  6. Step 6: Final answer
    x = 845.52

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1.5x scale

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.