Home / 1,603,572.72-2,212,930.92-878,446.44

Finding the Fourth Proportional to 1,603,572.72, 2,212,930.92 and 878,446.44

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Solution

The fourth proportional to 1,603,572.72, 2,212,930.92 and 878,446.44 is: 1,212,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,572.72 : 2,212,930.92 = 878,446.44 : x
  2. Step 2: Convert to fraction form
    1,603,572.72/2,212,930.92 = 878,446.44/x
  3. Step 3: Cross multiply
    1,603,572.72x = 2,212,930.92 × 878,446.44
  4. Step 4: Simplify right side
    1,603,572.72x = 1,943,941,288,639.92
  5. Step 5: Solve for x
    x = 1,943,941,288,639.92/1,603,572.72
  6. Step 6: Final answer
    x = 1,212,256.40

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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.