Home / 1,032.45-1,426.83-845.65

Finding the Fourth Proportional to 1,032.45, 1,426.83 and 845.65

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Solution

The fourth proportional to 1,032.45, 1,426.83 and 845.65 is: 1,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.45 : 1,426.83 = 845.65 : x
  2. Step 2: Convert to fraction form
    1,032.45/1,426.83 = 845.65/x
  3. Step 3: Cross multiply
    1,032.45x = 1,426.83 × 845.65
  4. Step 4: Simplify right side
    1,032.45x = 1,206,594.13
  5. Step 5: Solve for x
    x = 1,206,594.13/1,032.45
  6. Step 6: Final answer
    x = 1,168.67

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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.