Home / 1,120,251.80-1,680,377.70-372,297.80

Finding the Fourth Proportional to 1,120,251.80, 1,680,377.70 and 372,297.80

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Solution

The fourth proportional to 1,120,251.80, 1,680,377.70 and 372,297.80 is: 558,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,251.80 : 1,680,377.70 = 372,297.80 : x
  2. Step 2: Convert to fraction form
    1,120,251.80/1,680,377.70 = 372,297.80/x
  3. Step 3: Cross multiply
    1,120,251.80x = 1,680,377.70 × 372,297.80
  4. Step 4: Simplify right side
    1,120,251.80x = 625,600,920,879.06
  5. Step 5: Solve for x
    x = 625,600,920,879.06/1,120,251.80
  6. Step 6: Final answer
    x = 558,446.70

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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.