Home / 1,198,465.20-1,796,166.90-487,690.20

Finding the Fourth Proportional to 1,198,465.20, 1,796,166.90 and 487,690.20

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Solution

The fourth proportional to 1,198,465.20, 1,796,166.90 and 487,690.20 is: 730,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,465.20 : 1,796,166.90 = 487,690.20 : x
  2. Step 2: Convert to fraction form
    1,198,465.20/1,796,166.90 = 487,690.20/x
  3. Step 3: Cross multiply
    1,198,465.20x = 1,796,166.90 × 487,690.20
  4. Step 4: Simplify right side
    1,198,465.20x = 875,972,994,694.38
  5. Step 5: Solve for x
    x = 875,972,994,694.38/1,198,465.20
  6. Step 6: Final answer
    x = 730,912.33

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Double scale
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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.