Home / 1,112.56-1,669.34-592.90

Finding the Fourth Proportional to 1,112.56, 1,669.34 and 592.90

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Solution

The fourth proportional to 1,112.56, 1,669.34 and 592.90 is: 889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.56 : 1,669.34 = 592.90 : x
  2. Step 2: Convert to fraction form
    1,112.56/1,669.34 = 592.90/x
  3. Step 3: Cross multiply
    1,112.56x = 1,669.34 × 592.90
  4. Step 4: Simplify right side
    1,112.56x = 989,748.99
  5. Step 5: Solve for x
    x = 989,748.99/1,112.56
  6. Step 6: Final answer
    x = 889.62

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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.