Home / 1,012,958.78-1,519,440.75-413,919.83

Finding the Fourth Proportional to 1,012,958.78, 1,519,440.75 and 413,919.83

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Solution

The fourth proportional to 1,012,958.78, 1,519,440.75 and 413,919.83 is: 620,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,958.78 : 1,519,440.75 = 413,919.83 : x
  2. Step 2: Convert to fraction form
    1,012,958.78/1,519,440.75 = 413,919.83/x
  3. Step 3: Cross multiply
    1,012,958.78x = 1,519,440.75 × 413,919.83
  4. Step 4: Simplify right side
    1,012,958.78x = 628,926,660,733.68
  5. Step 5: Solve for x
    x = 628,926,660,733.68/1,012,958.78
  6. Step 6: Final answer
    x = 620,880.81

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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.