Home / 1,089,270.70-1,633,906.05-809,334.70

Finding the Fourth Proportional to 1,089,270.70, 1,633,906.05 and 809,334.70

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Solution

The fourth proportional to 1,089,270.70, 1,633,906.05 and 809,334.70 is: 1,214,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,270.70 : 1,633,906.05 = 809,334.70 : x
  2. Step 2: Convert to fraction form
    1,089,270.70/1,633,906.05 = 809,334.70/x
  3. Step 3: Cross multiply
    1,089,270.70x = 1,633,906.05 × 809,334.70
  4. Step 4: Simplify right side
    1,089,270.70x = 1,322,376,862,804.94
  5. Step 5: Solve for x
    x = 1,322,376,862,804.94/1,089,270.70
  6. Step 6: Final answer
    x = 1,214,002.05

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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.