Home / 1,406,059.75-2,109,449.27-408,787.75

Finding the Fourth Proportional to 1,406,059.75, 2,109,449.27 and 408,787.75

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Solution

The fourth proportional to 1,406,059.75, 2,109,449.27 and 408,787.75 is: 613,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,059.75 : 2,109,449.27 = 408,787.75 : x
  2. Step 2: Convert to fraction form
    1,406,059.75/2,109,449.27 = 408,787.75/x
  3. Step 3: Cross multiply
    1,406,059.75x = 2,109,449.27 × 408,787.75
  4. Step 4: Simplify right side
    1,406,059.75x = 862,317,020,822.44
  5. Step 5: Solve for x
    x = 862,317,020,822.44/1,406,059.75
  6. Step 6: Final answer
    x = 613,286.19

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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.