Home / 790,128.92-1,185,180.96-191,086.04

Finding the Fourth Proportional to 790,128.92, 1,185,180.96 and 191,086.04

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Solution

The fourth proportional to 790,128.92, 1,185,180.96 and 191,086.04 is: 286,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,128.92 : 1,185,180.96 = 191,086.04 : x
  2. Step 2: Convert to fraction form
    790,128.92/1,185,180.96 = 191,086.04/x
  3. Step 3: Cross multiply
    790,128.92x = 1,185,180.96 × 191,086.04
  4. Step 4: Simplify right side
    790,128.92x = 226,471,536,329.80
  5. Step 5: Solve for x
    x = 226,471,536,329.80/790,128.92
  6. Step 6: Final answer
    x = 286,626.06

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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.