Home / 1,185,675.88-1,778,796.80-386,958.96

Finding the Fourth Proportional to 1,185,675.88, 1,778,796.80 and 386,958.96

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Solution

The fourth proportional to 1,185,675.88, 1,778,796.80 and 386,958.96 is: 580,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,675.88 : 1,778,796.80 = 386,958.96 : x
  2. Step 2: Convert to fraction form
    1,185,675.88/1,778,796.80 = 386,958.96/x
  3. Step 3: Cross multiply
    1,185,675.88x = 1,778,796.80 × 386,958.96
  4. Step 4: Simplify right side
    1,185,675.88x = 688,321,359,779.33
  5. Step 5: Solve for x
    x = 688,321,359,779.33/1,185,675.88
  6. Step 6: Final answer
    x = 580,530.79

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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.