Home / 1,212,578.80-1,818,367.75-413,924.74

Finding the Fourth Proportional to 1,212,578.80, 1,818,367.75 and 413,924.74

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Solution

The fourth proportional to 1,212,578.80, 1,818,367.75 and 413,924.74 is: 620,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,578.80 : 1,818,367.75 = 413,924.74 : x
  2. Step 2: Convert to fraction form
    1,212,578.80/1,818,367.75 = 413,924.74/x
  3. Step 3: Cross multiply
    1,212,578.80x = 1,818,367.75 × 413,924.74
  4. Step 4: Simplify right side
    1,212,578.80x = 752,667,398,143.14
  5. Step 5: Solve for x
    x = 752,667,398,143.14/1,212,578.80
  6. Step 6: Final answer
    x = 620,716.28

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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.