Home / 1,170.94-1,756.68-623.92

Finding the Fourth Proportional to 1,170.94, 1,756.68 and 623.92

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Solution

The fourth proportional to 1,170.94, 1,756.68 and 623.92 is: 936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.94 : 1,756.68 = 623.92 : x
  2. Step 2: Convert to fraction form
    1,170.94/1,756.68 = 623.92/x
  3. Step 3: Cross multiply
    1,170.94x = 1,756.68 × 623.92
  4. Step 4: Simplify right side
    1,170.94x = 1,096,027.79
  5. Step 5: Solve for x
    x = 1,096,027.79/1,170.94
  6. Step 6: Final answer
    x = 936.02

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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.