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Finding the Fourth Proportional to 998,744.80, 1,495,006.80 and 967,640.80

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Solution

The fourth proportional to 998,744.80, 1,495,006.80 and 967,640.80 is: 1,448,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,744.80 : 1,495,006.80 = 967,640.80 : x
  2. Step 2: Convert to fraction form
    998,744.80/1,495,006.80 = 967,640.80/x
  3. Step 3: Cross multiply
    998,744.80x = 1,495,006.80 × 967,640.80
  4. Step 4: Simplify right side
    998,744.80x = 1,446,629,575,957.44
  5. Step 5: Solve for x
    x = 1,446,629,575,957.44/998,744.80
  6. Step 6: Final answer
    x = 1,448,447.67

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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.