Home / 1,783,969.08-2,675,975.48-521,822.20

Finding the Fourth Proportional to 1,783,969.08, 2,675,975.48 and 521,822.20

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Solution

The fourth proportional to 1,783,969.08, 2,675,975.48 and 521,822.20 is: 782,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,969.08 : 2,675,975.48 = 521,822.20 : x
  2. Step 2: Convert to fraction form
    1,783,969.08/2,675,975.48 = 521,822.20/x
  3. Step 3: Cross multiply
    1,783,969.08x = 2,675,975.48 × 521,822.20
  4. Step 4: Simplify right side
    1,783,969.08x = 1,396,383,412,119.66
  5. Step 5: Solve for x
    x = 1,396,383,412,119.66/1,783,969.08
  6. Step 6: Final answer
    x = 782,739.69

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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.