Home / 1,365,922.36-2,049,188.10-419,388.76

Finding the Fourth Proportional to 1,365,922.36, 2,049,188.10 and 419,388.76

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Solution

The fourth proportional to 1,365,922.36, 2,049,188.10 and 419,388.76 is: 629,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,922.36 : 2,049,188.10 = 419,388.76 : x
  2. Step 2: Convert to fraction form
    1,365,922.36/2,049,188.10 = 419,388.76/x
  3. Step 3: Cross multiply
    1,365,922.36x = 2,049,188.10 × 419,388.76
  4. Step 4: Simplify right side
    1,365,922.36x = 859,406,456,265.76
  5. Step 5: Solve for x
    x = 859,406,456,265.76/1,365,922.36
  6. Step 6: Final answer
    x = 629,176.65

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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.