Home / 1,382,238.01-1,907,507.55-770,373.73

Finding the Fourth Proportional to 1,382,238.01, 1,907,507.55 and 770,373.73

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Solution

The fourth proportional to 1,382,238.01, 1,907,507.55 and 770,373.73 is: 1,063,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,238.01 : 1,907,507.55 = 770,373.73 : x
  2. Step 2: Convert to fraction form
    1,382,238.01/1,907,507.55 = 770,373.73/x
  3. Step 3: Cross multiply
    1,382,238.01x = 1,907,507.55 × 770,373.73
  4. Step 4: Simplify right side
    1,382,238.01x = 1,469,493,706,296.66
  5. Step 5: Solve for x
    x = 1,469,493,706,296.66/1,382,238.01
  6. Step 6: Final answer
    x = 1,063,126.39

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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.