Home / 1,106,879.65-1,517,530.60-1,086,701.47

Finding the Fourth Proportional to 1,106,879.65, 1,517,530.60 and 1,086,701.47

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Solution

The fourth proportional to 1,106,879.65, 1,517,530.60 and 1,086,701.47 is: 1,489,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,879.65 : 1,517,530.60 = 1,086,701.47 : x
  2. Step 2: Convert to fraction form
    1,106,879.65/1,517,530.60 = 1,086,701.47/x
  3. Step 3: Cross multiply
    1,106,879.65x = 1,517,530.60 × 1,086,701.47
  4. Step 4: Simplify right side
    1,106,879.65x = 1,649,102,733,789.98
  5. Step 5: Solve for x
    x = 1,649,102,733,789.98/1,106,879.65
  6. Step 6: Final answer
    x = 1,489,866.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.