Home / 1,206,006.31-1,807,308.72-666,505.53

Finding the Fourth Proportional to 1,206,006.31, 1,807,308.72 and 666,505.53

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Solution

The fourth proportional to 1,206,006.31, 1,807,308.72 and 666,505.53 is: 998,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,006.31 : 1,807,308.72 = 666,505.53 : x
  2. Step 2: Convert to fraction form
    1,206,006.31/1,807,308.72 = 666,505.53/x
  3. Step 3: Cross multiply
    1,206,006.31x = 1,807,308.72 × 666,505.53
  4. Step 4: Simplify right side
    1,206,006.31x = 1,204,581,256,297.22
  5. Step 5: Solve for x
    x = 1,204,581,256,297.22/1,206,006.31
  6. Step 6: Final answer
    x = 998,818.37

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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.