Home / 1,324,874.64-1,828,333.84-721,266.96

Finding the Fourth Proportional to 1,324,874.64, 1,828,333.84 and 721,266.96

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Solution

The fourth proportional to 1,324,874.64, 1,828,333.84 and 721,266.96 is: 995,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,874.64 : 1,828,333.84 = 721,266.96 : x
  2. Step 2: Convert to fraction form
    1,324,874.64/1,828,333.84 = 721,266.96/x
  3. Step 3: Cross multiply
    1,324,874.64x = 1,828,333.84 × 721,266.96
  4. Step 4: Simplify right side
    1,324,874.64x = 1,318,716,790,641.93
  5. Step 5: Solve for x
    x = 1,318,716,790,641.93/1,324,874.64
  6. Step 6: Final answer
    x = 995,352.13

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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.