Home / 1,231,039.21-1,846,557.09-684,279.19

Finding the Fourth Proportional to 1,231,039.21, 1,846,557.09 and 684,279.19

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Solution

The fourth proportional to 1,231,039.21, 1,846,557.09 and 684,279.19 is: 1,026,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,039.21 : 1,846,557.09 = 684,279.19 : x
  2. Step 2: Convert to fraction form
    1,231,039.21/1,846,557.09 = 684,279.19/x
  3. Step 3: Cross multiply
    1,231,039.21x = 1,846,557.09 × 684,279.19
  4. Step 4: Simplify right side
    1,231,039.21x = 1,263,560,589,833.96
  5. Step 5: Solve for x
    x = 1,263,560,589,833.96/1,231,039.21
  6. Step 6: Final answer
    x = 1,026,417.83

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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.