Home / 1,627,979.78-2,246,618.16-902,894.51

Finding the Fourth Proportional to 1,627,979.78, 2,246,618.16 and 902,894.51

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Solution

The fourth proportional to 1,627,979.78, 2,246,618.16 and 902,894.51 is: 1,245,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,979.78 : 2,246,618.16 = 902,894.51 : x
  2. Step 2: Convert to fraction form
    1,627,979.78/2,246,618.16 = 902,894.51/x
  3. Step 3: Cross multiply
    1,627,979.78x = 2,246,618.16 × 902,894.51
  4. Step 4: Simplify right side
    1,627,979.78x = 2,028,459,191,497.21
  5. Step 5: Solve for x
    x = 2,028,459,191,497.21/1,627,979.78
  6. Step 6: Final answer
    x = 1,245,997.78

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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.