Home / 1,322,477.80-1,825,020.54-718,865.80

Finding the Fourth Proportional to 1,322,477.80, 1,825,020.54 and 718,865.80

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Solution

The fourth proportional to 1,322,477.80, 1,825,020.54 and 718,865.80 is: 992,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,477.80 : 1,825,020.54 = 718,865.80 : x
  2. Step 2: Convert to fraction form
    1,322,477.80/1,825,020.54 = 718,865.80/x
  3. Step 3: Cross multiply
    1,322,477.80x = 1,825,020.54 × 718,865.80
  4. Step 4: Simplify right side
    1,322,477.80x = 1,311,944,850,503.53
  5. Step 5: Solve for x
    x = 1,311,944,850,503.53/1,322,477.80
  6. Step 6: Final answer
    x = 992,035.44

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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.