Home / 1,067,141.80-1,596,824.70-787,205.80

Finding the Fourth Proportional to 1,067,141.80, 1,596,824.70 and 787,205.80

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Solution

The fourth proportional to 1,067,141.80, 1,596,824.70 and 787,205.80 is: 1,177,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,141.80 : 1,596,824.70 = 787,205.80 : x
  2. Step 2: Convert to fraction form
    1,067,141.80/1,596,824.70 = 787,205.80/x
  3. Step 3: Cross multiply
    1,067,141.80x = 1,596,824.70 × 787,205.80
  4. Step 4: Simplify right side
    1,067,141.80x = 1,257,029,665,423.26
  5. Step 5: Solve for x
    x = 1,257,029,665,423.26/1,067,141.80
  6. Step 6: Final answer
    x = 1,177,940.61

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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.