Home / 1,067,320.80-1,597,093.20-787,384.80

Finding the Fourth Proportional to 1,067,320.80, 1,597,093.20 and 787,384.80

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Solution

The fourth proportional to 1,067,320.80, 1,597,093.20 and 787,384.80 is: 1,178,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,320.80 : 1,597,093.20 = 787,384.80 : x
  2. Step 2: Convert to fraction form
    1,067,320.80/1,597,093.20 = 787,384.80/x
  3. Step 3: Cross multiply
    1,067,320.80x = 1,597,093.20 × 787,384.80
  4. Step 4: Simplify right side
    1,067,320.80x = 1,257,526,909,863.36
  5. Step 5: Solve for x
    x = 1,257,526,909,863.36/1,067,320.80
  6. Step 6: Final answer
    x = 1,178,208.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.