Home / 1,079,335.80-1,619,198.10-448,313.40

Finding the Fourth Proportional to 1,079,335.80, 1,619,198.10 and 448,313.40

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Solution

The fourth proportional to 1,079,335.80, 1,619,198.10 and 448,313.40 is: 672,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,335.80 : 1,619,198.10 = 448,313.40 : x
  2. Step 2: Convert to fraction form
    1,079,335.80/1,619,198.10 = 448,313.40/x
  3. Step 3: Cross multiply
    1,079,335.80x = 1,619,198.10 × 448,313.40
  4. Step 4: Simplify right side
    1,079,335.80x = 725,908,205,484.54
  5. Step 5: Solve for x
    x = 725,908,205,484.54/1,079,335.80
  6. Step 6: Final answer
    x = 672,550.85

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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.