Home / 1,603,379.14-2,212,691.97-878,180.15

Finding the Fourth Proportional to 1,603,379.14, 2,212,691.97 and 878,180.15

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Solution

The fourth proportional to 1,603,379.14, 2,212,691.97 and 878,180.15 is: 1,211,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,379.14 : 2,212,691.97 = 878,180.15 : x
  2. Step 2: Convert to fraction form
    1,603,379.14/2,212,691.97 = 878,180.15/x
  3. Step 3: Cross multiply
    1,603,379.14x = 2,212,691.97 × 878,180.15
  4. Step 4: Simplify right side
    1,603,379.14x = 1,943,142,166,118.40
  5. Step 5: Solve for x
    x = 1,943,142,166,118.40/1,603,379.14
  6. Step 6: Final answer
    x = 1,211,904.36

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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.