Home / 1,324,917.46-1,828,386.07-721,305.46

Finding the Fourth Proportional to 1,324,917.46, 1,828,386.07 and 721,305.46

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Solution

The fourth proportional to 1,324,917.46, 1,828,386.07 and 721,305.46 is: 995,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,917.46 : 1,828,386.07 = 721,305.46 : x
  2. Step 2: Convert to fraction form
    1,324,917.46/1,828,386.07 = 721,305.46/x
  3. Step 3: Cross multiply
    1,324,917.46x = 1,828,386.07 × 721,305.46
  4. Step 4: Simplify right side
    1,324,917.46x = 1,318,824,855,278.94
  5. Step 5: Solve for x
    x = 1,318,824,855,278.94/1,324,917.46
  6. Step 6: Final answer
    x = 995,401.52

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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.