Home / 1,079,105.80-1,618,853.10-448,083.40

Finding the Fourth Proportional to 1,079,105.80, 1,618,853.10 and 448,083.40

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Solution

The fourth proportional to 1,079,105.80, 1,618,853.10 and 448,083.40 is: 672,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,105.80 : 1,618,853.10 = 448,083.40 : x
  2. Step 2: Convert to fraction form
    1,079,105.80/1,618,853.10 = 448,083.40/x
  3. Step 3: Cross multiply
    1,079,105.80x = 1,618,853.10 × 448,083.40
  4. Step 4: Simplify right side
    1,079,105.80x = 725,381,201,148.54
  5. Step 5: Solve for x
    x = 725,381,201,148.54/1,079,105.80
  6. Step 6: Final answer
    x = 672,205.82

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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.