Home / 1,382,022.76-1,907,193.24-770,162.14

Finding the Fourth Proportional to 1,382,022.76, 1,907,193.24 and 770,162.14

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Solution

The fourth proportional to 1,382,022.76, 1,907,193.24 and 770,162.14 is: 1,062,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,022.76 : 1,907,193.24 = 770,162.14 : x
  2. Step 2: Convert to fraction form
    1,382,022.76/1,907,193.24 = 770,162.14/x
  3. Step 3: Cross multiply
    1,382,022.76x = 1,907,193.24 × 770,162.14
  4. Step 4: Simplify right side
    1,382,022.76x = 1,468,848,027,111.93
  5. Step 5: Solve for x
    x = 1,468,848,027,111.93/1,382,022.76
  6. Step 6: Final answer
    x = 1,062,824.77

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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.