Home / 1,219,459.05-1,682,175.43-960,381.56

Finding the Fourth Proportional to 1,219,459.05, 1,682,175.43 and 960,381.56

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Solution

The fourth proportional to 1,219,459.05, 1,682,175.43 and 960,381.56 is: 1,324,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,459.05 : 1,682,175.43 = 960,381.56 : x
  2. Step 2: Convert to fraction form
    1,219,459.05/1,682,175.43 = 960,381.56/x
  3. Step 3: Cross multiply
    1,219,459.05x = 1,682,175.43 × 960,381.56
  4. Step 4: Simplify right side
    1,219,459.05x = 1,615,530,269,062.99
  5. Step 5: Solve for x
    x = 1,615,530,269,062.99/1,219,459.05
  6. Step 6: Final answer
    x = 1,324,792.55

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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.