Home / 1,382,265.96-1,907,295.75-770,284.58

Finding the Fourth Proportional to 1,382,265.96, 1,907,295.75 and 770,284.58

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Solution

The fourth proportional to 1,382,265.96, 1,907,295.75 and 770,284.58 is: 1,062,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,265.96 : 1,907,295.75 = 770,284.58 : x
  2. Step 2: Convert to fraction form
    1,382,265.96/1,907,295.75 = 770,284.58/x
  3. Step 3: Cross multiply
    1,382,265.96x = 1,907,295.75 × 770,284.58
  4. Step 4: Simplify right side
    1,382,265.96x = 1,469,160,496,188.06
  5. Step 5: Solve for x
    x = 1,469,160,496,188.06/1,382,265.96
  6. Step 6: Final answer
    x = 1,062,863.83

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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.