Home / 1,137,190.80-1,568,665.44-734,782.80

Finding the Fourth Proportional to 1,137,190.80, 1,568,665.44 and 734,782.80

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Solution

The fourth proportional to 1,137,190.80, 1,568,665.44 and 734,782.80 is: 1,013,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,190.80 : 1,568,665.44 = 734,782.80 : x
  2. Step 2: Convert to fraction form
    1,137,190.80/1,568,665.44 = 734,782.80/x
  3. Step 3: Cross multiply
    1,137,190.80x = 1,568,665.44 × 734,782.80
  4. Step 4: Simplify right side
    1,137,190.80x = 1,152,628,384,266.43
  5. Step 5: Solve for x
    x = 1,152,628,384,266.43/1,137,190.80
  6. Step 6: Final answer
    x = 1,013,575.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.