Home / 1,082,834.20-1,624,251.30-988,355.80

Finding the Fourth Proportional to 1,082,834.20, 1,624,251.30 and 988,355.80

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Solution

The fourth proportional to 1,082,834.20, 1,624,251.30 and 988,355.80 is: 1,482,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,834.20 : 1,624,251.30 = 988,355.80 : x
  2. Step 2: Convert to fraction form
    1,082,834.20/1,624,251.30 = 988,355.80/x
  3. Step 3: Cross multiply
    1,082,834.20x = 1,624,251.30 × 988,355.80
  4. Step 4: Simplify right side
    1,082,834.20x = 1,605,338,193,012.54
  5. Step 5: Solve for x
    x = 1,605,338,193,012.54/1,082,834.20
  6. Step 6: Final answer
    x = 1,482,533.70

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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.