Home / 1,251,414.66-1,874,976.56-840,313.34

Finding the Fourth Proportional to 1,251,414.66, 1,874,976.56 and 840,313.34

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Solution

The fourth proportional to 1,251,414.66, 1,874,976.56 and 840,313.34 is: 1,259,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,414.66 : 1,874,976.56 = 840,313.34 : x
  2. Step 2: Convert to fraction form
    1,251,414.66/1,874,976.56 = 840,313.34/x
  3. Step 3: Cross multiply
    1,251,414.66x = 1,874,976.56 × 840,313.34
  4. Step 4: Simplify right side
    1,251,414.66x = 1,575,567,812,161.20
  5. Step 5: Solve for x
    x = 1,575,567,812,161.20/1,251,414.66
  6. Step 6: Final answer
    x = 1,259,029.37

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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.