Home / 1,631,845.05-2,251,301.31-943,390.23

Finding the Fourth Proportional to 1,631,845.05, 2,251,301.31 and 943,390.23

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Solution

The fourth proportional to 1,631,845.05, 2,251,301.31 and 943,390.23 is: 1,301,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,845.05 : 2,251,301.31 = 943,390.23 : x
  2. Step 2: Convert to fraction form
    1,631,845.05/2,251,301.31 = 943,390.23/x
  3. Step 3: Cross multiply
    1,631,845.05x = 2,251,301.31 × 943,390.23
  4. Step 4: Simplify right side
    1,631,845.05x = 2,123,855,660,640.20
  5. Step 5: Solve for x
    x = 2,123,855,660,640.20/1,631,845.05
  6. Step 6: Final answer
    x = 1,301,505.72

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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.