Home / 1,192,780.80-1,788,558.30-351,223.20

Finding the Fourth Proportional to 1,192,780.80, 1,788,558.30 and 351,223.20

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Solution

The fourth proportional to 1,192,780.80, 1,788,558.30 and 351,223.20 is: 526,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,780.80 : 1,788,558.30 = 351,223.20 : x
  2. Step 2: Convert to fraction form
    1,192,780.80/1,788,558.30 = 351,223.20/x
  3. Step 3: Cross multiply
    1,192,780.80x = 1,788,558.30 × 351,223.20
  4. Step 4: Simplify right side
    1,192,780.80x = 628,183,169,512.56
  5. Step 5: Solve for x
    x = 628,183,169,512.56/1,192,780.80
  6. Step 6: Final answer
    x = 526,654.33

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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.