Home / 1,055,636.31-1,583,441.07-256,919.61

Finding the Fourth Proportional to 1,055,636.31, 1,583,441.07 and 256,919.61

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Solution

The fourth proportional to 1,055,636.31, 1,583,441.07 and 256,919.61 is: 385,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,636.31 : 1,583,441.07 = 256,919.61 : x
  2. Step 2: Convert to fraction form
    1,055,636.31/1,583,441.07 = 256,919.61/x
  3. Step 3: Cross multiply
    1,055,636.31x = 1,583,441.07 × 256,919.61
  4. Step 4: Simplify right side
    1,055,636.31x = 406,817,062,162.38
  5. Step 5: Solve for x
    x = 406,817,062,162.38/1,055,636.31
  6. Step 6: Final answer
    x = 385,376.15

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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.