Home / 1,361,759.12-2,042,774.04-521,018

Finding the Fourth Proportional to 1,361,759.12, 2,042,774.04 and 521,018

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Solution

The fourth proportional to 1,361,759.12, 2,042,774.04 and 521,018 is: 781,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,759.12 : 2,042,774.04 = 521,018 : x
  2. Step 2: Convert to fraction form
    1,361,759.12/2,042,774.04 = 521,018/x
  3. Step 3: Cross multiply
    1,361,759.12x = 2,042,774.04 × 521,018
  4. Step 4: Simplify right side
    1,361,759.12x = 1,064,322,044,772.72
  5. Step 5: Solve for x
    x = 1,064,322,044,772.72/1,361,759.12
  6. Step 6: Final answer
    x = 781,578.79

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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.