Home / 1,230.17-1,845.86-1,068.57

Finding the Fourth Proportional to 1,230.17, 1,845.86 and 1,068.57

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Solution

The fourth proportional to 1,230.17, 1,845.86 and 1,068.57 is: 1,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.17 : 1,845.86 = 1,068.57 : x
  2. Step 2: Convert to fraction form
    1,230.17/1,845.86 = 1,068.57/x
  3. Step 3: Cross multiply
    1,230.17x = 1,845.86 × 1,068.57
  4. Step 4: Simplify right side
    1,230.17x = 1,972,425.28
  5. Step 5: Solve for x
    x = 1,972,425.28/1,230.17
  6. Step 6: Final answer
    x = 1,603.38

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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.