Home / 1,200.08-1,799.50-550.26

Finding the Fourth Proportional to 1,200.08, 1,799.50 and 550.26

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Solution

The fourth proportional to 1,200.08, 1,799.50 and 550.26 is: 825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200.08 : 1,799.50 = 550.26 : x
  2. Step 2: Convert to fraction form
    1,200.08/1,799.50 = 550.26/x
  3. Step 3: Cross multiply
    1,200.08x = 1,799.50 × 550.26
  4. Step 4: Simplify right side
    1,200.08x = 990,192.87
  5. Step 5: Solve for x
    x = 990,192.87/1,200.08
  6. Step 6: Final answer
    x = 825.11

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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.