Home / 1,628,010.78-2,246,654.82-902,969.52

Finding the Fourth Proportional to 1,628,010.78, 2,246,654.82 and 902,969.52

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Solution

The fourth proportional to 1,628,010.78, 2,246,654.82 and 902,969.52 is: 1,246,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,010.78 : 2,246,654.82 = 902,969.52 : x
  2. Step 2: Convert to fraction form
    1,628,010.78/2,246,654.82 = 902,969.52/x
  3. Step 3: Cross multiply
    1,628,010.78x = 2,246,654.82 × 902,969.52
  4. Step 4: Simplify right side
    1,628,010.78x = 2,028,660,824,421.09
  5. Step 5: Solve for x
    x = 2,028,660,824,421.09/1,628,010.78
  6. Step 6: Final answer
    x = 1,246,097.91

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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.