Home / 1,206,972.80-1,811,625.60-734,580.80

Finding the Fourth Proportional to 1,206,972.80, 1,811,625.60 and 734,580.80

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Solution

The fourth proportional to 1,206,972.80, 1,811,625.60 and 734,580.80 is: 1,102,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,972.80 : 1,811,625.60 = 734,580.80 : x
  2. Step 2: Convert to fraction form
    1,206,972.80/1,811,625.60 = 734,580.80/x
  3. Step 3: Cross multiply
    1,206,972.80x = 1,811,625.60 × 734,580.80
  4. Step 4: Simplify right side
    1,206,972.80x = 1,330,785,382,548.48
  5. Step 5: Solve for x
    x = 1,330,785,382,548.48/1,206,972.80
  6. Step 6: Final answer
    x = 1,102,581.09

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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.