Home / 1,264,393.14-1,744,845.75-720,561.30

Finding the Fourth Proportional to 1,264,393.14, 1,744,845.75 and 720,561.30

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Solution

The fourth proportional to 1,264,393.14, 1,744,845.75 and 720,561.30 is: 994,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,393.14 : 1,744,845.75 = 720,561.30 : x
  2. Step 2: Convert to fraction form
    1,264,393.14/1,744,845.75 = 720,561.30/x
  3. Step 3: Cross multiply
    1,264,393.14x = 1,744,845.75 × 720,561.30
  4. Step 4: Simplify right side
    1,264,393.14x = 1,257,268,321,919.48
  5. Step 5: Solve for x
    x = 1,257,268,321,919.48/1,264,393.14
  6. Step 6: Final answer
    x = 994,365.03

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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.