Home / 1,628,116.77-2,246,876.15-902,921.28

Finding the Fourth Proportional to 1,628,116.77, 2,246,876.15 and 902,921.28

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Solution

The fourth proportional to 1,628,116.77, 2,246,876.15 and 902,921.28 is: 1,246,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,116.77 : 2,246,876.15 = 902,921.28 : x
  2. Step 2: Convert to fraction form
    1,628,116.77/2,246,876.15 = 902,921.28/x
  3. Step 3: Cross multiply
    1,628,116.77x = 2,246,876.15 × 902,921.28
  4. Step 4: Simplify right side
    1,628,116.77x = 2,028,752,284,844.87
  5. Step 5: Solve for x
    x = 2,028,752,284,844.87/1,628,116.77
  6. Step 6: Final answer
    x = 1,246,072.96

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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.