Home / 741,969.40-1,111,641.90-629,120.20

Finding the Fourth Proportional to 741,969.40, 1,111,641.90 and 629,120.20

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Solution

The fourth proportional to 741,969.40, 1,111,641.90 and 629,120.20 is: 942,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,969.40 : 1,111,641.90 = 629,120.20 : x
  2. Step 2: Convert to fraction form
    741,969.40/1,111,641.90 = 629,120.20/x
  3. Step 3: Cross multiply
    741,969.40x = 1,111,641.90 × 629,120.20
  4. Step 4: Simplify right side
    741,969.40x = 699,356,374,456.38
  5. Step 5: Solve for x
    x = 699,356,374,456.38/741,969.40
  6. Step 6: Final answer
    x = 942,567.68

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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.