Home / 1,124.94-1,679.61-1,113.84

Finding the Fourth Proportional to 1,124.94, 1,679.61 and 1,113.84

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Solution

The fourth proportional to 1,124.94, 1,679.61 and 1,113.84 is: 1,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.94 : 1,679.61 = 1,113.84 : x
  2. Step 2: Convert to fraction form
    1,124.94/1,679.61 = 1,113.84/x
  3. Step 3: Cross multiply
    1,124.94x = 1,679.61 × 1,113.84
  4. Step 4: Simplify right side
    1,124.94x = 1,870,816.80
  5. Step 5: Solve for x
    x = 1,870,816.80/1,124.94
  6. Step 6: Final answer
    x = 1,663.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.