Home / 1,418,695.80-1,957,879.44-774,126.96

Finding the Fourth Proportional to 1,418,695.80, 1,957,879.44 and 774,126.96

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Solution

The fourth proportional to 1,418,695.80, 1,957,879.44 and 774,126.96 is: 1,068,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,695.80 : 1,957,879.44 = 774,126.96 : x
  2. Step 2: Convert to fraction form
    1,418,695.80/1,957,879.44 = 774,126.96/x
  3. Step 3: Cross multiply
    1,418,695.80x = 1,957,879.44 × 774,126.96
  4. Step 4: Simplify right side
    1,418,695.80x = 1,515,647,258,933.70
  5. Step 5: Solve for x
    x = 1,515,647,258,933.70/1,418,695.80
  6. Step 6: Final answer
    x = 1,068,338.44

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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.