Home / 1,155,719.80-1,733,061.30-445,511.80

Finding the Fourth Proportional to 1,155,719.80, 1,733,061.30 and 445,511.80

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Solution

The fourth proportional to 1,155,719.80, 1,733,061.30 and 445,511.80 is: 668,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,719.80 : 1,733,061.30 = 445,511.80 : x
  2. Step 2: Convert to fraction form
    1,155,719.80/1,733,061.30 = 445,511.80/x
  3. Step 3: Cross multiply
    1,155,719.80x = 1,733,061.30 × 445,511.80
  4. Step 4: Simplify right side
    1,155,719.80x = 772,099,259,273.34
  5. Step 5: Solve for x
    x = 772,099,259,273.34/1,155,719.80
  6. Step 6: Final answer
    x = 668,067.86

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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.