Home / 1,317.06-1,815.93-1,067.46

Finding the Fourth Proportional to 1,317.06, 1,815.93 and 1,067.46

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Solution

The fourth proportional to 1,317.06, 1,815.93 and 1,067.46 is: 1,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.06 : 1,815.93 = 1,067.46 : x
  2. Step 2: Convert to fraction form
    1,317.06/1,815.93 = 1,067.46/x
  3. Step 3: Cross multiply
    1,317.06x = 1,815.93 × 1,067.46
  4. Step 4: Simplify right side
    1,317.06x = 1,938,432.64
  5. Step 5: Solve for x
    x = 1,938,432.64/1,317.06
  6. Step 6: Final answer
    x = 1,471.79

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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.