Home / 1,218,192.38-1,826,261-767,920.88

Finding the Fourth Proportional to 1,218,192.38, 1,826,261 and 767,920.88

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Solution

The fourth proportional to 1,218,192.38, 1,826,261 and 767,920.88 is: 1,151,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,192.38 : 1,826,261 = 767,920.88 : x
  2. Step 2: Convert to fraction form
    1,218,192.38/1,826,261 = 767,920.88/x
  3. Step 3: Cross multiply
    1,218,192.38x = 1,826,261 × 767,920.88
  4. Step 4: Simplify right side
    1,218,192.38x = 1,402,423,954,229.68
  5. Step 5: Solve for x
    x = 1,402,423,954,229.68/1,218,192.38
  6. Step 6: Final answer
    x = 1,151,233.56

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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.