Home / 1,538,858.99-2,123,735.34-850,516.04

Finding the Fourth Proportional to 1,538,858.99, 2,123,735.34 and 850,516.04

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Solution

The fourth proportional to 1,538,858.99, 2,123,735.34 and 850,516.04 is: 1,173,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,858.99 : 2,123,735.34 = 850,516.04 : x
  2. Step 2: Convert to fraction form
    1,538,858.99/2,123,735.34 = 850,516.04/x
  3. Step 3: Cross multiply
    1,538,858.99x = 2,123,735.34 × 850,516.04
  4. Step 4: Simplify right side
    1,538,858.99x = 1,806,270,960,766.18
  5. Step 5: Solve for x
    x = 1,806,270,960,766.18/1,538,858.99
  6. Step 6: Final answer
    x = 1,173,772.89

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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.