Home / 1,195,818.36-1,649,296.20-766,138.72

Finding the Fourth Proportional to 1,195,818.36, 1,649,296.20 and 766,138.72

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Solution

The fourth proportional to 1,195,818.36, 1,649,296.20 and 766,138.72 is: 1,056,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,818.36 : 1,649,296.20 = 766,138.72 : x
  2. Step 2: Convert to fraction form
    1,195,818.36/1,649,296.20 = 766,138.72/x
  3. Step 3: Cross multiply
    1,195,818.36x = 1,649,296.20 × 766,138.72
  4. Step 4: Simplify right side
    1,195,818.36x = 1,263,589,679,568.86
  5. Step 5: Solve for x
    x = 1,263,589,679,568.86/1,195,818.36
  6. Step 6: Final answer
    x = 1,056,673.59

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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.