Home / 1,378,550.42-2,065,933.90-872,204.96

Finding the Fourth Proportional to 1,378,550.42, 2,065,933.90 and 872,204.96

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Solution

The fourth proportional to 1,378,550.42, 2,065,933.90 and 872,204.96 is: 1,307,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,550.42 : 2,065,933.90 = 872,204.96 : x
  2. Step 2: Convert to fraction form
    1,378,550.42/2,065,933.90 = 872,204.96/x
  3. Step 3: Cross multiply
    1,378,550.42x = 2,065,933.90 × 872,204.96
  4. Step 4: Simplify right side
    1,378,550.42x = 1,801,917,789,246.36
  5. Step 5: Solve for x
    x = 1,801,917,789,246.36/1,378,550.42
  6. Step 6: Final answer
    x = 1,307,110.55

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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.