Home / 1,382,023.26-1,907,193.93-770,162.64

Finding the Fourth Proportional to 1,382,023.26, 1,907,193.93 and 770,162.64

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Solution

The fourth proportional to 1,382,023.26, 1,907,193.93 and 770,162.64 is: 1,062,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,023.26 : 1,907,193.93 = 770,162.64 : x
  2. Step 2: Convert to fraction form
    1,382,023.26/1,907,193.93 = 770,162.64/x
  3. Step 3: Cross multiply
    1,382,023.26x = 1,907,193.93 × 770,162.64
  4. Step 4: Simplify right side
    1,382,023.26x = 1,468,849,512,120.78
  5. Step 5: Solve for x
    x = 1,468,849,512,120.78/1,382,023.26
  6. Step 6: Final answer
    x = 1,062,825.46

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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.