Home / 1,340,763.90-2,011,194.45-394,230.30

Finding the Fourth Proportional to 1,340,763.90, 2,011,194.45 and 394,230.30

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Solution

The fourth proportional to 1,340,763.90, 2,011,194.45 and 394,230.30 is: 591,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,763.90 : 2,011,194.45 = 394,230.30 : x
  2. Step 2: Convert to fraction form
    1,340,763.90/2,011,194.45 = 394,230.30/x
  3. Step 3: Cross multiply
    1,340,763.90x = 2,011,194.45 × 394,230.30
  4. Step 4: Simplify right side
    1,340,763.90x = 792,873,791,381.84
  5. Step 5: Solve for x
    x = 792,873,791,381.84/1,340,763.90
  6. Step 6: Final answer
    x = 591,359.74

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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.