Home / 1,467,619.80-2,201,429.70-521,086.20

Finding the Fourth Proportional to 1,467,619.80, 2,201,429.70 and 521,086.20

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Solution

The fourth proportional to 1,467,619.80, 2,201,429.70 and 521,086.20 is: 781,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,619.80 : 2,201,429.70 = 521,086.20 : x
  2. Step 2: Convert to fraction form
    1,467,619.80/2,201,429.70 = 521,086.20/x
  3. Step 3: Cross multiply
    1,467,619.80x = 2,201,429.70 × 521,086.20
  4. Step 4: Simplify right side
    1,467,619.80x = 1,147,134,636,940.14
  5. Step 5: Solve for x
    x = 1,147,134,636,940.14/1,467,619.80
  6. Step 6: Final answer
    x = 781,629.30

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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.