Home / 1,202,636.01-1,659,578.72-658,774.21

Finding the Fourth Proportional to 1,202,636.01, 1,659,578.72 and 658,774.21

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Solution

The fourth proportional to 1,202,636.01, 1,659,578.72 and 658,774.21 is: 909,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,636.01 : 1,659,578.72 = 658,774.21 : x
  2. Step 2: Convert to fraction form
    1,202,636.01/1,659,578.72 = 658,774.21/x
  3. Step 3: Cross multiply
    1,202,636.01x = 1,659,578.72 × 658,774.21
  4. Step 4: Simplify right side
    1,202,636.01x = 1,093,287,660,200.81
  5. Step 5: Solve for x
    x = 1,093,287,660,200.81/1,202,636.01
  6. Step 6: Final answer
    x = 909,076.11

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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.