Home / 1,206,221.69-1,804,810.21-718,118.48

Finding the Fourth Proportional to 1,206,221.69, 1,804,810.21 and 718,118.48

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Solution

The fourth proportional to 1,206,221.69, 1,804,810.21 and 718,118.48 is: 1,074,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,221.69 : 1,804,810.21 = 718,118.48 : x
  2. Step 2: Convert to fraction form
    1,206,221.69/1,804,810.21 = 718,118.48/x
  3. Step 3: Cross multiply
    1,206,221.69x = 1,804,810.21 × 718,118.48
  4. Step 4: Simplify right side
    1,206,221.69x = 1,296,067,567,410.41
  5. Step 5: Solve for x
    x = 1,296,067,567,410.41/1,206,221.69
  6. Step 6: Final answer
    x = 1,074,485.37

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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.