Home / 1,171.36-1,757.81-623.94

Finding the Fourth Proportional to 1,171.36, 1,757.81 and 623.94

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Solution

The fourth proportional to 1,171.36, 1,757.81 and 623.94 is: 936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.36 : 1,757.81 = 623.94 : x
  2. Step 2: Convert to fraction form
    1,171.36/1,757.81 = 623.94/x
  3. Step 3: Cross multiply
    1,171.36x = 1,757.81 × 623.94
  4. Step 4: Simplify right side
    1,171.36x = 1,096,767.97
  5. Step 5: Solve for x
    x = 1,096,767.97/1,171.36
  6. Step 6: Final answer
    x = 936.32

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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.