Home / 1,635,991.17-2,257,662.62-910,820.04

Finding the Fourth Proportional to 1,635,991.17, 2,257,662.62 and 910,820.04

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Solution

The fourth proportional to 1,635,991.17, 2,257,662.62 and 910,820.04 is: 1,256,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,991.17 : 2,257,662.62 = 910,820.04 : x
  2. Step 2: Convert to fraction form
    1,635,991.17/2,257,662.62 = 910,820.04/x
  3. Step 3: Cross multiply
    1,635,991.17x = 2,257,662.62 × 910,820.04
  4. Step 4: Simplify right side
    1,635,991.17x = 2,056,324,353,300.81
  5. Step 5: Solve for x
    x = 2,056,324,353,300.81/1,635,991.17
  6. Step 6: Final answer
    x = 1,256,928.76

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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.