Home / 1,055,449.14-1,583,174.11-256,725.75

Finding the Fourth Proportional to 1,055,449.14, 1,583,174.11 and 256,725.75

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Solution

The fourth proportional to 1,055,449.14, 1,583,174.11 and 256,725.75 is: 385,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,449.14 : 1,583,174.11 = 256,725.75 : x
  2. Step 2: Convert to fraction form
    1,055,449.14/1,583,174.11 = 256,725.75/x
  3. Step 3: Cross multiply
    1,055,449.14x = 1,583,174.11 × 256,725.75
  4. Step 4: Simplify right side
    1,055,449.14x = 406,441,566,546.78
  5. Step 5: Solve for x
    x = 406,441,566,546.78/1,055,449.14
  6. Step 6: Final answer
    x = 385,088.73

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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.