Home / 1,778,998.80-2,668,843.80-768,118.80

Finding the Fourth Proportional to 1,778,998.80, 2,668,843.80 and 768,118.80

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Solution

The fourth proportional to 1,778,998.80, 2,668,843.80 and 768,118.80 is: 1,152,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,998.80 : 2,668,843.80 = 768,118.80 : x
  2. Step 2: Convert to fraction form
    1,778,998.80/2,668,843.80 = 768,118.80/x
  3. Step 3: Cross multiply
    1,778,998.80x = 2,668,843.80 × 768,118.80
  4. Step 4: Simplify right side
    1,778,998.80x = 2,049,989,097,043.44
  5. Step 5: Solve for x
    x = 2,049,989,097,043.44/1,778,998.80
  6. Step 6: Final answer
    x = 1,152,327.42

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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.