Home / 1,851,121.56-2,777,029.92-840,314.46

Finding the Fourth Proportional to 1,851,121.56, 2,777,029.92 and 840,314.46

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Solution

The fourth proportional to 1,851,121.56, 2,777,029.92 and 840,314.46 is: 1,260,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,121.56 : 2,777,029.92 = 840,314.46 : x
  2. Step 2: Convert to fraction form
    1,851,121.56/2,777,029.92 = 840,314.46/x
  3. Step 3: Cross multiply
    1,851,121.56x = 2,777,029.92 × 840,314.46
  4. Step 4: Simplify right side
    1,851,121.56x = 2,333,578,397,628.64
  5. Step 5: Solve for x
    x = 2,333,578,397,628.64/1,851,121.56
  6. Step 6: Final answer
    x = 1,260,629.47

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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.