Home / 1,445,213.55-2,167,141.31-838,174.29

Finding the Fourth Proportional to 1,445,213.55, 2,167,141.31 and 838,174.29

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Solution

The fourth proportional to 1,445,213.55, 2,167,141.31 and 838,174.29 is: 1,256,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,213.55 : 2,167,141.31 = 838,174.29 : x
  2. Step 2: Convert to fraction form
    1,445,213.55/2,167,141.31 = 838,174.29/x
  3. Step 3: Cross multiply
    1,445,213.55x = 2,167,141.31 × 838,174.29
  4. Step 4: Simplify right side
    1,445,213.55x = 1,816,442,122,032.29
  5. Step 5: Solve for x
    x = 1,816,442,122,032.29/1,445,213.55
  6. Step 6: Final answer
    x = 1,256,867.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.