Home / 1,219,414.48-1,829,216.38-366,419.56

Finding the Fourth Proportional to 1,219,414.48, 1,829,216.38 and 366,419.56

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Solution

The fourth proportional to 1,219,414.48, 1,829,216.38 and 366,419.56 is: 549,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,414.48 : 1,829,216.38 = 366,419.56 : x
  2. Step 2: Convert to fraction form
    1,219,414.48/1,829,216.38 = 366,419.56/x
  3. Step 3: Cross multiply
    1,219,414.48x = 1,829,216.38 × 366,419.56
  4. Step 4: Simplify right side
    1,219,414.48x = 670,260,661,104.39
  5. Step 5: Solve for x
    x = 670,260,661,104.39/1,219,414.48
  6. Step 6: Final answer
    x = 549,657.78

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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.