Home / 1,112.30-1,669.45-592.73

Finding the Fourth Proportional to 1,112.30, 1,669.45 and 592.73

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Solution

The fourth proportional to 1,112.30, 1,669.45 and 592.73 is: 889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.30 : 1,669.45 = 592.73 : x
  2. Step 2: Convert to fraction form
    1,112.30/1,669.45 = 592.73/x
  3. Step 3: Cross multiply
    1,112.30x = 1,669.45 × 592.73
  4. Step 4: Simplify right side
    1,112.30x = 989,533.10
  5. Step 5: Solve for x
    x = 989,533.10/1,112.30
  6. Step 6: Final answer
    x = 889.63

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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.