Home / 1,137,188.80-1,568,662.69-734,780.80

Finding the Fourth Proportional to 1,137,188.80, 1,568,662.69 and 734,780.80

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Solution

The fourth proportional to 1,137,188.80, 1,568,662.69 and 734,780.80 is: 1,013,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,188.80 : 1,568,662.69 = 734,780.80 : x
  2. Step 2: Convert to fraction form
    1,137,188.80/1,568,662.69 = 734,780.80/x
  3. Step 3: Cross multiply
    1,137,188.80x = 1,568,662.69 × 734,780.80
  4. Step 4: Simplify right side
    1,137,188.80x = 1,152,623,214,771.13
  5. Step 5: Solve for x
    x = 1,152,623,214,771.13/1,137,188.80
  6. Step 6: Final answer
    x = 1,013,572.43

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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.