Home / 1,339,464.42-1,848,480.56-727,628.66

Finding the Fourth Proportional to 1,339,464.42, 1,848,480.56 and 727,628.66

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Solution

The fourth proportional to 1,339,464.42, 1,848,480.56 and 727,628.66 is: 1,004,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,464.42 : 1,848,480.56 = 727,628.66 : x
  2. Step 2: Convert to fraction form
    1,339,464.42/1,848,480.56 = 727,628.66/x
  3. Step 3: Cross multiply
    1,339,464.42x = 1,848,480.56 × 727,628.66
  4. Step 4: Simplify right side
    1,339,464.42x = 1,345,007,432,908.85
  5. Step 5: Solve for x
    x = 1,345,007,432,908.85/1,339,464.42
  6. Step 6: Final answer
    x = 1,004,138.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.