Home / 998,525.80-1,497,788.70-979,863.40

Finding the Fourth Proportional to 998,525.80, 1,497,788.70 and 979,863.40

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Solution

The fourth proportional to 998,525.80, 1,497,788.70 and 979,863.40 is: 1,469,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,525.80 : 1,497,788.70 = 979,863.40 : x
  2. Step 2: Convert to fraction form
    998,525.80/1,497,788.70 = 979,863.40/x
  3. Step 3: Cross multiply
    998,525.80x = 1,497,788.70 × 979,863.40
  4. Step 4: Simplify right side
    998,525.80x = 1,467,628,328,063.58
  5. Step 5: Solve for x
    x = 1,467,628,328,063.58/998,525.80
  6. Step 6: Final answer
    x = 1,469,795.10

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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.