Home / 1,066,087.26-1,599,137.78-426,444.44

Finding the Fourth Proportional to 1,066,087.26, 1,599,137.78 and 426,444.44

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Solution

The fourth proportional to 1,066,087.26, 1,599,137.78 and 426,444.44 is: 639,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,087.26 : 1,599,137.78 = 426,444.44 : x
  2. Step 2: Convert to fraction form
    1,066,087.26/1,599,137.78 = 426,444.44/x
  3. Step 3: Cross multiply
    1,066,087.26x = 1,599,137.78 × 426,444.44
  4. Step 4: Simplify right side
    1,066,087.26x = 681,943,404,947.03
  5. Step 5: Solve for x
    x = 681,943,404,947.03/1,066,087.26
  6. Step 6: Final answer
    x = 639,669.41

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Double scale
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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.