Home / 1,380,158.97-1,904,661.72-751,544.33

Finding the Fourth Proportional to 1,380,158.97, 1,904,661.72 and 751,544.33

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Solution

The fourth proportional to 1,380,158.97, 1,904,661.72 and 751,544.33 is: 1,037,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,158.97 : 1,904,661.72 = 751,544.33 : x
  2. Step 2: Convert to fraction form
    1,380,158.97/1,904,661.72 = 751,544.33/x
  3. Step 3: Cross multiply
    1,380,158.97x = 1,904,661.72 × 751,544.33
  4. Step 4: Simplify right side
    1,380,158.97x = 1,431,437,704,597.02
  5. Step 5: Solve for x
    x = 1,431,437,704,597.02/1,380,158.97
  6. Step 6: Final answer
    x = 1,037,154.22

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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.