Home / 1,338,738.96-1,847,451.24-765,788.64

Finding the Fourth Proportional to 1,338,738.96, 1,847,451.24 and 765,788.64

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Solution

The fourth proportional to 1,338,738.96, 1,847,451.24 and 765,788.64 is: 1,056,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,738.96 : 1,847,451.24 = 765,788.64 : x
  2. Step 2: Convert to fraction form
    1,338,738.96/1,847,451.24 = 765,788.64/x
  3. Step 3: Cross multiply
    1,338,738.96x = 1,847,451.24 × 765,788.64
  4. Step 4: Simplify right side
    1,338,738.96x = 1,414,757,172,545.91
  5. Step 5: Solve for x
    x = 1,414,757,172,545.91/1,338,738.96
  6. Step 6: Final answer
    x = 1,056,783.45

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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.