Home / 1,682,781.05-2,322,228.66-918,829.14

Finding the Fourth Proportional to 1,682,781.05, 2,322,228.66 and 918,829.14

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Solution

The fourth proportional to 1,682,781.05, 2,322,228.66 and 918,829.14 is: 1,267,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,781.05 : 2,322,228.66 = 918,829.14 : x
  2. Step 2: Convert to fraction form
    1,682,781.05/2,322,228.66 = 918,829.14/x
  3. Step 3: Cross multiply
    1,682,781.05x = 2,322,228.66 × 918,829.14
  4. Step 4: Simplify right side
    1,682,781.05x = 2,133,731,372,982.32
  5. Step 5: Solve for x
    x = 2,133,731,372,982.32/1,682,781.05
  6. Step 6: Final answer
    x = 1,267,979.20

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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.