Home / 929,669.80-1,394,504.70-821,194.60

Finding the Fourth Proportional to 929,669.80, 1,394,504.70 and 821,194.60

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Solution

The fourth proportional to 929,669.80, 1,394,504.70 and 821,194.60 is: 1,231,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,669.80 : 1,394,504.70 = 821,194.60 : x
  2. Step 2: Convert to fraction form
    929,669.80/1,394,504.70 = 821,194.60/x
  3. Step 3: Cross multiply
    929,669.80x = 1,394,504.70 × 821,194.60
  4. Step 4: Simplify right side
    929,669.80x = 1,145,159,729,314.62
  5. Step 5: Solve for x
    x = 1,145,159,729,314.62/929,669.80
  6. Step 6: Final answer
    x = 1,231,791.90

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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.