Home / 1,275,449.37-1,913,284.22-328,812.09

Finding the Fourth Proportional to 1,275,449.37, 1,913,284.22 and 328,812.09

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Solution

The fourth proportional to 1,275,449.37, 1,913,284.22 and 328,812.09 is: 493,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,449.37 : 1,913,284.22 = 328,812.09 : x
  2. Step 2: Convert to fraction form
    1,275,449.37/1,913,284.22 = 328,812.09/x
  3. Step 3: Cross multiply
    1,275,449.37x = 1,913,284.22 × 328,812.09
  4. Step 4: Simplify right side
    1,275,449.37x = 629,110,981,498.16
  5. Step 5: Solve for x
    x = 629,110,981,498.16/1,275,449.37
  6. Step 6: Final answer
    x = 493,246.53

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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.