Home / 1,195,818.09-1,649,295.86-766,138.47

Finding the Fourth Proportional to 1,195,818.09, 1,649,295.86 and 766,138.47

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Solution

The fourth proportional to 1,195,818.09, 1,649,295.86 and 766,138.47 is: 1,056,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,818.09 : 1,649,295.86 = 766,138.47 : x
  2. Step 2: Convert to fraction form
    1,195,818.09/1,649,295.86 = 766,138.47/x
  3. Step 3: Cross multiply
    1,195,818.09x = 1,649,295.86 × 766,138.47
  4. Step 4: Simplify right side
    1,195,818.09x = 1,263,589,002,927.04
  5. Step 5: Solve for x
    x = 1,263,589,002,927.04/1,195,818.09
  6. Step 6: Final answer
    x = 1,056,673.26

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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.