Home / 1,212,649.42-1,819,160.97-413,744.74

Finding the Fourth Proportional to 1,212,649.42, 1,819,160.97 and 413,744.74

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Solution

The fourth proportional to 1,212,649.42, 1,819,160.97 and 413,744.74 is: 620,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,649.42 : 1,819,160.97 = 413,744.74 : x
  2. Step 2: Convert to fraction form
    1,212,649.42/1,819,160.97 = 413,744.74/x
  3. Step 3: Cross multiply
    1,212,649.42x = 1,819,160.97 × 413,744.74
  4. Step 4: Simplify right side
    1,212,649.42x = 752,668,282,550.80
  5. Step 5: Solve for x
    x = 752,668,282,550.80/1,212,649.42
  6. Step 6: Final answer
    x = 620,680.86

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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.