Home / 1,264,538.25-1,745,092.68-720,724.64

Finding the Fourth Proportional to 1,264,538.25, 1,745,092.68 and 720,724.64

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Solution

The fourth proportional to 1,264,538.25, 1,745,092.68 and 720,724.64 is: 994,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,538.25 : 1,745,092.68 = 720,724.64 : x
  2. Step 2: Convert to fraction form
    1,264,538.25/1,745,092.68 = 720,724.64/x
  3. Step 3: Cross multiply
    1,264,538.25x = 1,745,092.68 × 720,724.64
  4. Step 4: Simplify right side
    1,264,538.25x = 1,257,731,284,158.49
  5. Step 5: Solve for x
    x = 1,257,731,284,158.49/1,264,538.25
  6. Step 6: Final answer
    x = 994,617.04

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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.