Home / 1,108,601.40-1,662,902.10-1,098,103.80

Finding the Fourth Proportional to 1,108,601.40, 1,662,902.10 and 1,098,103.80

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Solution

The fourth proportional to 1,108,601.40, 1,662,902.10 and 1,098,103.80 is: 1,647,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,601.40 : 1,662,902.10 = 1,098,103.80 : x
  2. Step 2: Convert to fraction form
    1,108,601.40/1,662,902.10 = 1,098,103.80/x
  3. Step 3: Cross multiply
    1,108,601.40x = 1,662,902.10 × 1,098,103.80
  4. Step 4: Simplify right side
    1,108,601.40x = 1,826,039,115,037.98
  5. Step 5: Solve for x
    x = 1,826,039,115,037.98/1,108,601.40
  6. Step 6: Final answer
    x = 1,647,155.70

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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.