Home / 1,302,757.20-1,954,135.80-854,859.60

Finding the Fourth Proportional to 1,302,757.20, 1,954,135.80 and 854,859.60

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Solution

The fourth proportional to 1,302,757.20, 1,954,135.80 and 854,859.60 is: 1,282,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,757.20 : 1,954,135.80 = 854,859.60 : x
  2. Step 2: Convert to fraction form
    1,302,757.20/1,954,135.80 = 854,859.60/x
  3. Step 3: Cross multiply
    1,302,757.20x = 1,954,135.80 × 854,859.60
  4. Step 4: Simplify right side
    1,302,757.20x = 1,670,511,748,333.68
  5. Step 5: Solve for x
    x = 1,670,511,748,333.68/1,302,757.20
  6. Step 6: Final answer
    x = 1,282,289.40

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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.