Home / 1,605,077.62-2,215,006.82-879,930.44

Finding the Fourth Proportional to 1,605,077.62, 2,215,006.82 and 879,930.44

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Solution

The fourth proportional to 1,605,077.62, 2,215,006.82 and 879,930.44 is: 1,214,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,077.62 : 2,215,006.82 = 879,930.44 : x
  2. Step 2: Convert to fraction form
    1,605,077.62/2,215,006.82 = 879,930.44/x
  3. Step 3: Cross multiply
    1,605,077.62x = 2,215,006.82 × 879,930.44
  4. Step 4: Simplify right side
    1,605,077.62x = 1,949,051,925,725.60
  5. Step 5: Solve for x
    x = 1,949,051,925,725.60/1,605,077.62
  6. Step 6: Final answer
    x = 1,214,303.85

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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.