Home / 1,121,163.62-1,682,012.72-363,005.32

Finding the Fourth Proportional to 1,121,163.62, 1,682,012.72 and 363,005.32

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Solution

The fourth proportional to 1,121,163.62, 1,682,012.72 and 363,005.32 is: 544,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,163.62 : 1,682,012.72 = 363,005.32 : x
  2. Step 2: Convert to fraction form
    1,121,163.62/1,682,012.72 = 363,005.32/x
  3. Step 3: Cross multiply
    1,121,163.62x = 1,682,012.72 × 363,005.32
  4. Step 4: Simplify right side
    1,121,163.62x = 610,579,562,370.15
  5. Step 5: Solve for x
    x = 610,579,562,370.15/1,121,163.62
  6. Step 6: Final answer
    x = 544,594.52

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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.