Home / 1,382,241.90-1,907,502.75-770,433.53

Finding the Fourth Proportional to 1,382,241.90, 1,907,502.75 and 770,433.53

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Solution

The fourth proportional to 1,382,241.90, 1,907,502.75 and 770,433.53 is: 1,063,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,241.90 : 1,907,502.75 = 770,433.53 : x
  2. Step 2: Convert to fraction form
    1,382,241.90/1,907,502.75 = 770,433.53/x
  3. Step 3: Cross multiply
    1,382,241.90x = 1,907,502.75 × 770,433.53
  4. Step 4: Simplify right side
    1,382,241.90x = 1,469,604,067,629.69
  5. Step 5: Solve for x
    x = 1,469,604,067,629.69/1,382,241.90
  6. Step 6: Final answer
    x = 1,063,203.24

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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.