Home / 1,110,681.70-1,531,961.13-681,132.94

Finding the Fourth Proportional to 1,110,681.70, 1,531,961.13 and 681,132.94

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Solution

The fourth proportional to 1,110,681.70, 1,531,961.13 and 681,132.94 is: 939,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,681.70 : 1,531,961.13 = 681,132.94 : x
  2. Step 2: Convert to fraction form
    1,110,681.70/1,531,961.13 = 681,132.94/x
  3. Step 3: Cross multiply
    1,110,681.70x = 1,531,961.13 × 681,132.94
  4. Step 4: Simplify right side
    1,110,681.70x = 1,043,469,188,442.62
  5. Step 5: Solve for x
    x = 1,043,469,188,442.62/1,110,681.70
  6. Step 6: Final answer
    x = 939,485.35

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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.