Home / 1,284,101.53-1,772,078.49-740,227.43

Finding the Fourth Proportional to 1,284,101.53, 1,772,078.49 and 740,227.43

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Solution

The fourth proportional to 1,284,101.53, 1,772,078.49 and 740,227.43 is: 1,021,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,101.53 : 1,772,078.49 = 740,227.43 : x
  2. Step 2: Convert to fraction form
    1,284,101.53/1,772,078.49 = 740,227.43/x
  3. Step 3: Cross multiply
    1,284,101.53x = 1,772,078.49 × 740,227.43
  4. Step 4: Simplify right side
    1,284,101.53x = 1,311,741,110,841.18
  5. Step 5: Solve for x
    x = 1,311,741,110,841.18/1,284,101.53
  6. Step 6: Final answer
    x = 1,021,524.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.