Home / 1,120,345.26-1,546,069.17-636,910.53

Finding the Fourth Proportional to 1,120,345.26, 1,546,069.17 and 636,910.53

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Solution

The fourth proportional to 1,120,345.26, 1,546,069.17 and 636,910.53 is: 878,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,345.26 : 1,546,069.17 = 636,910.53 : x
  2. Step 2: Convert to fraction form
    1,120,345.26/1,546,069.17 = 636,910.53/x
  3. Step 3: Cross multiply
    1,120,345.26x = 1,546,069.17 × 636,910.53
  4. Step 4: Simplify right side
    1,120,345.26x = 984,707,734,481.36
  5. Step 5: Solve for x
    x = 984,707,734,481.36/1,120,345.26
  6. Step 6: Final answer
    x = 878,932.39

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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.