Home / 1,340,767.40-2,011,199.70-394,233.80

Finding the Fourth Proportional to 1,340,767.40, 2,011,199.70 and 394,233.80

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Solution

The fourth proportional to 1,340,767.40, 2,011,199.70 and 394,233.80 is: 591,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,767.40 : 2,011,199.70 = 394,233.80 : x
  2. Step 2: Convert to fraction form
    1,340,767.40/2,011,199.70 = 394,233.80/x
  3. Step 3: Cross multiply
    1,340,767.40x = 2,011,199.70 × 394,233.80
  4. Step 4: Simplify right side
    1,340,767.40x = 792,882,900,289.86
  5. Step 5: Solve for x
    x = 792,882,900,289.86/1,340,767.40
  6. Step 6: Final answer
    x = 591,364.99

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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.