Home / 1,663,433.20-2,495,149.80-1,208,755.90

Finding the Fourth Proportional to 1,663,433.20, 2,495,149.80 and 1,208,755.90

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Solution

The fourth proportional to 1,663,433.20, 2,495,149.80 and 1,208,755.90 is: 1,813,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,433.20 : 2,495,149.80 = 1,208,755.90 : x
  2. Step 2: Convert to fraction form
    1,663,433.20/2,495,149.80 = 1,208,755.90/x
  3. Step 3: Cross multiply
    1,663,433.20x = 2,495,149.80 × 1,208,755.90
  4. Step 4: Simplify right side
    1,663,433.20x = 3,016,027,042,133.82
  5. Step 5: Solve for x
    x = 3,016,027,042,133.82/1,663,433.20
  6. Step 6: Final answer
    x = 1,813,133.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.