Home / 1,182,133.58-1,773,200.37-821,327.18

Finding the Fourth Proportional to 1,182,133.58, 1,773,200.37 and 821,327.18

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Solution

The fourth proportional to 1,182,133.58, 1,773,200.37 and 821,327.18 is: 1,231,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,133.58 : 1,773,200.37 = 821,327.18 : x
  2. Step 2: Convert to fraction form
    1,182,133.58/1,773,200.37 = 821,327.18/x
  3. Step 3: Cross multiply
    1,182,133.58x = 1,773,200.37 × 821,327.18
  4. Step 4: Simplify right side
    1,182,133.58x = 1,456,377,646,494.42
  5. Step 5: Solve for x
    x = 1,456,377,646,494.42/1,182,133.58
  6. Step 6: Final answer
    x = 1,231,990.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.