Home / 1,685,489.39-2,325,405.56-959,822.54

Finding the Fourth Proportional to 1,685,489.39, 2,325,405.56 and 959,822.54

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Solution

The fourth proportional to 1,685,489.39, 2,325,405.56 and 959,822.54 is: 1,324,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,489.39 : 2,325,405.56 = 959,822.54 : x
  2. Step 2: Convert to fraction form
    1,685,489.39/2,325,405.56 = 959,822.54/x
  3. Step 3: Cross multiply
    1,685,489.39x = 2,325,405.56 × 959,822.54
  4. Step 4: Simplify right side
    1,685,489.39x = 2,231,976,654,703.18
  5. Step 5: Solve for x
    x = 2,231,976,654,703.18/1,685,489.39
  6. Step 6: Final answer
    x = 1,324,230.62

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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.