Home / 1,511,351.56-2,084,990.42-1,021,162.85

Finding the Fourth Proportional to 1,511,351.56, 2,084,990.42 and 1,021,162.85

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Solution

The fourth proportional to 1,511,351.56, 2,084,990.42 and 1,021,162.85 is: 1,408,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,351.56 : 2,084,990.42 = 1,021,162.85 : x
  2. Step 2: Convert to fraction form
    1,511,351.56/2,084,990.42 = 1,021,162.85/x
  3. Step 3: Cross multiply
    1,511,351.56x = 2,084,990.42 × 1,021,162.85
  4. Step 4: Simplify right side
    1,511,351.56x = 2,129,114,759,456.57
  5. Step 5: Solve for x
    x = 2,129,114,759,456.57/1,511,351.56
  6. Step 6: Final answer
    x = 1,408,748.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.