Home / 1,200,999.45-1,800,481.77-526,569.66

Finding the Fourth Proportional to 1,200,999.45, 1,800,481.77 and 526,569.66

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Solution

The fourth proportional to 1,200,999.45, 1,800,481.77 and 526,569.66 is: 789,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,999.45 : 1,800,481.77 = 526,569.66 : x
  2. Step 2: Convert to fraction form
    1,200,999.45/1,800,481.77 = 526,569.66/x
  3. Step 3: Cross multiply
    1,200,999.45x = 1,800,481.77 × 526,569.66
  4. Step 4: Simplify right side
    1,200,999.45x = 948,079,073,465.10
  5. Step 5: Solve for x
    x = 948,079,073,465.10/1,200,999.45
  6. Step 6: Final answer
    x = 789,408.42

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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.