Home / 1,191,212.48-1,644,256.32-762,646.88

Finding the Fourth Proportional to 1,191,212.48, 1,644,256.32 and 762,646.88

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Solution

The fourth proportional to 1,191,212.48, 1,644,256.32 and 762,646.88 is: 1,052,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,212.48 : 1,644,256.32 = 762,646.88 : x
  2. Step 2: Convert to fraction form
    1,191,212.48/1,644,256.32 = 762,646.88/x
  3. Step 3: Cross multiply
    1,191,212.48x = 1,644,256.32 × 762,646.88
  4. Step 4: Simplify right side
    1,191,212.48x = 1,253,986,952,368.28
  5. Step 5: Solve for x
    x = 1,253,986,952,368.28/1,191,212.48
  6. Step 6: Final answer
    x = 1,052,697.96

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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.