Home / 1,122,917.27-1,682,783.63-869,015.82

Finding the Fourth Proportional to 1,122,917.27, 1,682,783.63 and 869,015.82

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Solution

The fourth proportional to 1,122,917.27, 1,682,783.63 and 869,015.82 is: 1,302,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,917.27 : 1,682,783.63 = 869,015.82 : x
  2. Step 2: Convert to fraction form
    1,122,917.27/1,682,783.63 = 869,015.82/x
  3. Step 3: Cross multiply
    1,122,917.27x = 1,682,783.63 × 869,015.82
  4. Step 4: Simplify right side
    1,122,917.27x = 1,462,365,591,761.95
  5. Step 5: Solve for x
    x = 1,462,365,591,761.95/1,122,917.27
  6. Step 6: Final answer
    x = 1,302,291.48

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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.