Home / 919,753.24-1,268,173.74-629,504.84

Finding the Fourth Proportional to 919,753.24, 1,268,173.74 and 629,504.84

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Solution

The fourth proportional to 919,753.24, 1,268,173.74 and 629,504.84 is: 867,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,753.24 : 1,268,173.74 = 629,504.84 : x
  2. Step 2: Convert to fraction form
    919,753.24/1,268,173.74 = 629,504.84/x
  3. Step 3: Cross multiply
    919,753.24x = 1,268,173.74 × 629,504.84
  4. Step 4: Simplify right side
    919,753.24x = 798,321,507,290.90
  5. Step 5: Solve for x
    x = 798,321,507,290.90/919,753.24
  6. Step 6: Final answer
    x = 867,973.57

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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.