Home / 1,327,370.60-1,991,055.90-1,120,010.60

Finding the Fourth Proportional to 1,327,370.60, 1,991,055.90 and 1,120,010.60

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Solution

The fourth proportional to 1,327,370.60, 1,991,055.90 and 1,120,010.60 is: 1,680,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,370.60 : 1,991,055.90 = 1,120,010.60 : x
  2. Step 2: Convert to fraction form
    1,327,370.60/1,991,055.90 = 1,120,010.60/x
  3. Step 3: Cross multiply
    1,327,370.60x = 1,991,055.90 × 1,120,010.60
  4. Step 4: Simplify right side
    1,327,370.60x = 2,230,003,713,192.54
  5. Step 5: Solve for x
    x = 2,230,003,713,192.54/1,327,370.60
  6. Step 6: Final answer
    x = 1,680,015.90

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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.