Home / 1,206,945.90-1,809,266.85-448,584.30

Finding the Fourth Proportional to 1,206,945.90, 1,809,266.85 and 448,584.30

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Solution

The fourth proportional to 1,206,945.90, 1,809,266.85 and 448,584.30 is: 672,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,945.90 : 1,809,266.85 = 448,584.30 : x
  2. Step 2: Convert to fraction form
    1,206,945.90/1,809,266.85 = 448,584.30/x
  3. Step 3: Cross multiply
    1,206,945.90x = 1,809,266.85 × 448,584.30
  4. Step 4: Simplify right side
    1,206,945.90x = 811,608,703,420.46
  5. Step 5: Solve for x
    x = 811,608,703,420.46/1,206,945.90
  6. Step 6: Final answer
    x = 672,448.29

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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.