Home / 1,359,968.80-2,039,953.20-818,759.20

Finding the Fourth Proportional to 1,359,968.80, 2,039,953.20 and 818,759.20

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Solution

The fourth proportional to 1,359,968.80, 2,039,953.20 and 818,759.20 is: 1,228,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,968.80 : 2,039,953.20 = 818,759.20 : x
  2. Step 2: Convert to fraction form
    1,359,968.80/2,039,953.20 = 818,759.20/x
  3. Step 3: Cross multiply
    1,359,968.80x = 2,039,953.20 × 818,759.20
  4. Step 4: Simplify right side
    1,359,968.80x = 1,670,230,450,069.44
  5. Step 5: Solve for x
    x = 1,670,230,450,069.44/1,359,968.80
  6. Step 6: Final answer
    x = 1,228,138.80

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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.