Home / 741,878.53-1,106,150.87-678,540.58

Finding the Fourth Proportional to 741,878.53, 1,106,150.87 and 678,540.58

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Solution

The fourth proportional to 741,878.53, 1,106,150.87 and 678,540.58 is: 1,011,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,878.53 : 1,106,150.87 = 678,540.58 : x
  2. Step 2: Convert to fraction form
    741,878.53/1,106,150.87 = 678,540.58/x
  3. Step 3: Cross multiply
    741,878.53x = 1,106,150.87 × 678,540.58
  4. Step 4: Simplify right side
    741,878.53x = 750,568,252,897.31
  5. Step 5: Solve for x
    x = 750,568,252,897.31/741,878.53
  6. Step 6: Final answer
    x = 1,011,713.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.