Home / 1,055,635.31-1,583,439.57-256,918.61

Finding the Fourth Proportional to 1,055,635.31, 1,583,439.57 and 256,918.61

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Solution

The fourth proportional to 1,055,635.31, 1,583,439.57 and 256,918.61 is: 385,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,635.31 : 1,583,439.57 = 256,918.61 : x
  2. Step 2: Convert to fraction form
    1,055,635.31/1,583,439.57 = 256,918.61/x
  3. Step 3: Cross multiply
    1,055,635.31x = 1,583,439.57 × 256,918.61
  4. Step 4: Simplify right side
    1,055,635.31x = 406,815,085,426.20
  5. Step 5: Solve for x
    x = 406,815,085,426.20/1,055,635.31
  6. Step 6: Final answer
    x = 385,374.65

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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.