Home / 1,850,942.40-2,777,450.40-785,803.20

Finding the Fourth Proportional to 1,850,942.40, 2,777,450.40 and 785,803.20

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Solution

The fourth proportional to 1,850,942.40, 2,777,450.40 and 785,803.20 is: 1,179,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850,942.40 : 2,777,450.40 = 785,803.20 : x
  2. Step 2: Convert to fraction form
    1,850,942.40/2,777,450.40 = 785,803.20/x
  3. Step 3: Cross multiply
    1,850,942.40x = 2,777,450.40 × 785,803.20
  4. Step 4: Simplify right side
    1,850,942.40x = 2,182,529,412,161.28
  5. Step 5: Solve for x
    x = 2,182,529,412,161.28/1,850,942.40
  6. Step 6: Final answer
    x = 1,179,144.97

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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.