Home / 1,206,209.31-1,804,791.65-718,106.11

Finding the Fourth Proportional to 1,206,209.31, 1,804,791.65 and 718,106.11

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Solution

The fourth proportional to 1,206,209.31, 1,804,791.65 and 718,106.11 is: 1,074,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,209.31 : 1,804,791.65 = 718,106.11 : x
  2. Step 2: Convert to fraction form
    1,206,209.31/1,804,791.65 = 718,106.11/x
  3. Step 3: Cross multiply
    1,206,209.31x = 1,804,791.65 × 718,106.11
  4. Step 4: Simplify right side
    1,206,209.31x = 1,296,031,903,039.47
  5. Step 5: Solve for x
    x = 1,296,031,903,039.47/1,206,209.31
  6. Step 6: Final answer
    x = 1,074,466.84

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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.