Home / 1,603,836.22-2,213,295.77-878,730.30

Finding the Fourth Proportional to 1,603,836.22, 2,213,295.77 and 878,730.30

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Solution

The fourth proportional to 1,603,836.22, 2,213,295.77 and 878,730.30 is: 1,212,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,836.22 : 2,213,295.77 = 878,730.30 : x
  2. Step 2: Convert to fraction form
    1,603,836.22/2,213,295.77 = 878,730.30/x
  3. Step 3: Cross multiply
    1,603,836.22x = 2,213,295.77 × 878,730.30
  4. Step 4: Simplify right side
    1,603,836.22x = 1,944,890,055,960.83
  5. Step 5: Solve for x
    x = 1,944,890,055,960.83/1,603,836.22
  6. Step 6: Final answer
    x = 1,212,648.79

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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.