Home / 1,036.94-1,426.70-896.60

Finding the Fourth Proportional to 1,036.94, 1,426.70 and 896.60

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Solution

The fourth proportional to 1,036.94, 1,426.70 and 896.60 is: 1,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.94 : 1,426.70 = 896.60 : x
  2. Step 2: Convert to fraction form
    1,036.94/1,426.70 = 896.60/x
  3. Step 3: Cross multiply
    1,036.94x = 1,426.70 × 896.60
  4. Step 4: Simplify right side
    1,036.94x = 1,279,179.22
  5. Step 5: Solve for x
    x = 1,279,179.22/1,036.94
  6. Step 6: Final answer
    x = 1,233.61

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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.