Home / 1,420,924.84-2,131,388.62-396,214.18

Finding the Fourth Proportional to 1,420,924.84, 2,131,388.62 and 396,214.18

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Solution

The fourth proportional to 1,420,924.84, 2,131,388.62 and 396,214.18 is: 594,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,924.84 : 2,131,388.62 = 396,214.18 : x
  2. Step 2: Convert to fraction form
    1,420,924.84/2,131,388.62 = 396,214.18/x
  3. Step 3: Cross multiply
    1,420,924.84x = 2,131,388.62 × 396,214.18
  4. Step 4: Simplify right side
    1,420,924.84x = 844,486,394,334.63
  5. Step 5: Solve for x
    x = 844,486,394,334.63/1,420,924.84
  6. Step 6: Final answer
    x = 594,321.65

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1.5x scale

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.