Home / 1,168,138.70-1,748,708.85-694,580.30

Finding the Fourth Proportional to 1,168,138.70, 1,748,708.85 and 694,580.30

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Solution

The fourth proportional to 1,168,138.70, 1,748,708.85 and 694,580.30 is: 1,039,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,138.70 : 1,748,708.85 = 694,580.30 : x
  2. Step 2: Convert to fraction form
    1,168,138.70/1,748,708.85 = 694,580.30/x
  3. Step 3: Cross multiply
    1,168,138.70x = 1,748,708.85 × 694,580.30
  4. Step 4: Simplify right side
    1,168,138.70x = 1,214,618,717,645.66
  5. Step 5: Solve for x
    x = 1,214,618,717,645.66/1,168,138.70
  6. Step 6: Final answer
    x = 1,039,789.81

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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.