Home / 1,206,971.80-1,811,624.10-734,579.80

Finding the Fourth Proportional to 1,206,971.80, 1,811,624.10 and 734,579.80

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Solution

The fourth proportional to 1,206,971.80, 1,811,624.10 and 734,579.80 is: 1,102,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,971.80 : 1,811,624.10 = 734,579.80 : x
  2. Step 2: Convert to fraction form
    1,206,971.80/1,811,624.10 = 734,579.80/x
  3. Step 3: Cross multiply
    1,206,971.80x = 1,811,624.10 × 734,579.80
  4. Step 4: Simplify right side
    1,206,971.80x = 1,330,782,469,053.18
  5. Step 5: Solve for x
    x = 1,330,782,469,053.18/1,206,971.80
  6. Step 6: Final answer
    x = 1,102,579.59

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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.