Home / 1,627,418.90-2,245,971.16-902,494.02

Finding the Fourth Proportional to 1,627,418.90, 2,245,971.16 and 902,494.02

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Solution

The fourth proportional to 1,627,418.90, 2,245,971.16 and 902,494.02 is: 1,245,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,418.90 : 2,245,971.16 = 902,494.02 : x
  2. Step 2: Convert to fraction form
    1,627,418.90/2,245,971.16 = 902,494.02/x
  3. Step 3: Cross multiply
    1,627,418.90x = 2,245,971.16 × 902,494.02
  4. Step 4: Simplify right side
    1,627,418.90x = 2,026,975,540,992.46
  5. Step 5: Solve for x
    x = 2,026,975,540,992.46/1,627,418.90
  6. Step 6: Final answer
    x = 1,245,515.55

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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.