Home / 1,603,156.76-2,212,356.30-878,006.18

Finding the Fourth Proportional to 1,603,156.76, 2,212,356.30 and 878,006.18

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Solution

The fourth proportional to 1,603,156.76, 2,212,356.30 and 878,006.18 is: 1,211,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,156.76 : 2,212,356.30 = 878,006.18 : x
  2. Step 2: Convert to fraction form
    1,603,156.76/2,212,356.30 = 878,006.18/x
  3. Step 3: Cross multiply
    1,603,156.76x = 2,212,356.30 × 878,006.18
  4. Step 4: Simplify right side
    1,603,156.76x = 1,942,462,503,761.93
  5. Step 5: Solve for x
    x = 1,942,462,503,761.93/1,603,156.76
  6. Step 6: Final answer
    x = 1,211,648.51

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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.