Home / 1,281,873.75-1,768,451.26-737,879.37

Finding the Fourth Proportional to 1,281,873.75, 1,768,451.26 and 737,879.37

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Solution

The fourth proportional to 1,281,873.75, 1,768,451.26 and 737,879.37 is: 1,017,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,873.75 : 1,768,451.26 = 737,879.37 : x
  2. Step 2: Convert to fraction form
    1,281,873.75/1,768,451.26 = 737,879.37/x
  3. Step 3: Cross multiply
    1,281,873.75x = 1,768,451.26 × 737,879.37
  4. Step 4: Simplify right side
    1,281,873.75x = 1,304,903,701,604.51
  5. Step 5: Solve for x
    x = 1,304,903,701,604.51/1,281,873.75
  6. Step 6: Final answer
    x = 1,017,965.85

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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.