Home / 1,063.89-1,467.92-923.76

Finding the Fourth Proportional to 1,063.89, 1,467.92 and 923.76

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Solution

The fourth proportional to 1,063.89, 1,467.92 and 923.76 is: 1,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.89 : 1,467.92 = 923.76 : x
  2. Step 2: Convert to fraction form
    1,063.89/1,467.92 = 923.76/x
  3. Step 3: Cross multiply
    1,063.89x = 1,467.92 × 923.76
  4. Step 4: Simplify right side
    1,063.89x = 1,356,008.09
  5. Step 5: Solve for x
    x = 1,356,008.09/1,063.89
  6. Step 6: Final answer
    x = 1,274.58

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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.