Home / 1,132,141.66-1,698,999.81-731,789.44

Finding the Fourth Proportional to 1,132,141.66, 1,698,999.81 and 731,789.44

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Solution

The fourth proportional to 1,132,141.66, 1,698,999.81 and 731,789.44 is: 1,098,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,141.66 : 1,698,999.81 = 731,789.44 : x
  2. Step 2: Convert to fraction form
    1,132,141.66/1,698,999.81 = 731,789.44/x
  3. Step 3: Cross multiply
    1,132,141.66x = 1,698,999.81 × 731,789.44
  4. Step 4: Simplify right side
    1,132,141.66x = 1,243,310,112,528.30
  5. Step 5: Solve for x
    x = 1,243,310,112,528.30/1,132,141.66
  6. Step 6: Final answer
    x = 1,098,193.06

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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.