Home / 1,205.24-1,804.78-1,067.87

Finding the Fourth Proportional to 1,205.24, 1,804.78 and 1,067.87

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Solution

The fourth proportional to 1,205.24, 1,804.78 and 1,067.87 is: 1,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205.24 : 1,804.78 = 1,067.87 : x
  2. Step 2: Convert to fraction form
    1,205.24/1,804.78 = 1,067.87/x
  3. Step 3: Cross multiply
    1,205.24x = 1,804.78 × 1,067.87
  4. Step 4: Simplify right side
    1,205.24x = 1,927,265.08
  5. Step 5: Solve for x
    x = 1,927,265.08/1,205.24
  6. Step 6: Final answer
    x = 1,599.07

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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.