Home / 1,382,022.76-1,907,193.26-770,162.13

Finding the Fourth Proportional to 1,382,022.76, 1,907,193.26 and 770,162.13

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Solution

The fourth proportional to 1,382,022.76, 1,907,193.26 and 770,162.13 is: 1,062,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,022.76 : 1,907,193.26 = 770,162.13 : x
  2. Step 2: Convert to fraction form
    1,382,022.76/1,907,193.26 = 770,162.13/x
  3. Step 3: Cross multiply
    1,382,022.76x = 1,907,193.26 × 770,162.13
  4. Step 4: Simplify right side
    1,382,022.76x = 1,468,848,023,443.24
  5. Step 5: Solve for x
    x = 1,468,848,023,443.24/1,382,022.76
  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.