Home / 1,635,688.50-2,257,141.38-910,517.57

Finding the Fourth Proportional to 1,635,688.50, 2,257,141.38 and 910,517.57

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Solution

The fourth proportional to 1,635,688.50, 2,257,141.38 and 910,517.57 is: 1,256,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,688.50 : 2,257,141.38 = 910,517.57 : x
  2. Step 2: Convert to fraction form
    1,635,688.50/2,257,141.38 = 910,517.57/x
  3. Step 3: Cross multiply
    1,635,688.50x = 2,257,141.38 × 910,517.57
  4. Step 4: Simplify right side
    1,635,688.50x = 2,055,166,878,228.18
  5. Step 5: Solve for x
    x = 2,055,166,878,228.18/1,635,688.50
  6. Step 6: Final answer
    x = 1,256,453.71

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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.