Home / 1,190,433.25-1,786,122.99-380,942.38

Finding the Fourth Proportional to 1,190,433.25, 1,786,122.99 and 380,942.38

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Solution

The fourth proportional to 1,190,433.25, 1,786,122.99 and 380,942.38 is: 571,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,433.25 : 1,786,122.99 = 380,942.38 : x
  2. Step 2: Convert to fraction form
    1,190,433.25/1,786,122.99 = 380,942.38/x
  3. Step 3: Cross multiply
    1,190,433.25x = 1,786,122.99 × 380,942.38
  4. Step 4: Simplify right side
    1,190,433.25x = 680,409,942,783.32
  5. Step 5: Solve for x
    x = 680,409,942,783.32/1,190,433.25
  6. Step 6: Final answer
    x = 571,564.97

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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.