Home / 1,132,855.18-1,699,316.86-279,926.78

Finding the Fourth Proportional to 1,132,855.18, 1,699,316.86 and 279,926.78

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Solution

The fourth proportional to 1,132,855.18, 1,699,316.86 and 279,926.78 is: 419,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,855.18 : 1,699,316.86 = 279,926.78 : x
  2. Step 2: Convert to fraction form
    1,132,855.18/1,699,316.86 = 279,926.78/x
  3. Step 3: Cross multiply
    1,132,855.18x = 1,699,316.86 × 279,926.78
  4. Step 4: Simplify right side
    1,132,855.18x = 475,684,295,419.88
  5. Step 5: Solve for x
    x = 475,684,295,419.88/1,132,855.18
  6. Step 6: Final answer
    x = 419,898.59

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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.