Home / 1,202,636.02-1,659,578.72-658,774.22

Finding the Fourth Proportional to 1,202,636.02, 1,659,578.72 and 658,774.22

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Solution

The fourth proportional to 1,202,636.02, 1,659,578.72 and 658,774.22 is: 909,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,636.02 : 1,659,578.72 = 658,774.22 : x
  2. Step 2: Convert to fraction form
    1,202,636.02/1,659,578.72 = 658,774.22/x
  3. Step 3: Cross multiply
    1,202,636.02x = 1,659,578.72 × 658,774.22
  4. Step 4: Simplify right side
    1,202,636.02x = 1,093,287,668,498.70
  5. Step 5: Solve for x
    x = 1,093,287,668,498.70/1,202,636.02
  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.