Home / 1,407,245.60-1,941,993.96-762,681.44

Finding the Fourth Proportional to 1,407,245.60, 1,941,993.96 and 762,681.44

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Solution

The fourth proportional to 1,407,245.60, 1,941,993.96 and 762,681.44 is: 1,052,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,245.60 : 1,941,993.96 = 762,681.44 : x
  2. Step 2: Convert to fraction form
    1,407,245.60/1,941,993.96 = 762,681.44/x
  3. Step 3: Cross multiply
    1,407,245.60x = 1,941,993.96 × 762,681.44
  4. Step 4: Simplify right side
    1,407,245.60x = 1,481,122,749,884.10
  5. Step 5: Solve for x
    x = 1,481,122,749,884.10/1,407,245.60
  6. Step 6: Final answer
    x = 1,052,497.69

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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.