Home / 998,081.80-1,497,122.70-820,934.80

Finding the Fourth Proportional to 998,081.80, 1,497,122.70 and 820,934.80

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Solution

The fourth proportional to 998,081.80, 1,497,122.70 and 820,934.80 is: 1,231,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,081.80 : 1,497,122.70 = 820,934.80 : x
  2. Step 2: Convert to fraction form
    998,081.80/1,497,122.70 = 820,934.80/x
  3. Step 3: Cross multiply
    998,081.80x = 1,497,122.70 × 820,934.80
  4. Step 4: Simplify right side
    998,081.80x = 1,229,040,124,299.96
  5. Step 5: Solve for x
    x = 1,229,040,124,299.96/998,081.80
  6. Step 6: Final answer
    x = 1,231,402.20

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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.