Home / 1,603,150.76-2,212,348.06-878,000.22

Finding the Fourth Proportional to 1,603,150.76, 2,212,348.06 and 878,000.22

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Solution

The fourth proportional to 1,603,150.76, 2,212,348.06 and 878,000.22 is: 1,211,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,150.76 : 2,212,348.06 = 878,000.22 : x
  2. Step 2: Convert to fraction form
    1,603,150.76/2,212,348.06 = 878,000.22/x
  3. Step 3: Cross multiply
    1,603,150.76x = 2,212,348.06 × 878,000.22
  4. Step 4: Simplify right side
    1,603,150.76x = 1,942,442,083,396.57
  5. Step 5: Solve for x
    x = 1,942,442,083,396.57/1,603,150.76
  6. Step 6: Final answer
    x = 1,211,640.31

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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.