Home / 1,382,023.76-1,907,194.64-770,163.13

Finding the Fourth Proportional to 1,382,023.76, 1,907,194.64 and 770,163.13

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Solution

The fourth proportional to 1,382,023.76, 1,907,194.64 and 770,163.13 is: 1,062,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,023.76 : 1,907,194.64 = 770,163.13 : x
  2. Step 2: Convert to fraction form
    1,382,023.76/1,907,194.64 = 770,163.13/x
  3. Step 3: Cross multiply
    1,382,023.76x = 1,907,194.64 × 770,163.13
  4. Step 4: Simplify right side
    1,382,023.76x = 1,468,850,993,461.62
  5. Step 5: Solve for x
    x = 1,468,850,993,461.62/1,382,023.76
  6. Step 6: Final answer
    x = 1,062,826.15

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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.