Home / 1,129,412.97-1,694,339.78-330,707.61

Finding the Fourth Proportional to 1,129,412.97, 1,694,339.78 and 330,707.61

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Solution

The fourth proportional to 1,129,412.97, 1,694,339.78 and 330,707.61 is: 496,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,412.97 : 1,694,339.78 = 330,707.61 : x
  2. Step 2: Convert to fraction form
    1,129,412.97/1,694,339.78 = 330,707.61/x
  3. Step 3: Cross multiply
    1,129,412.97x = 1,694,339.78 × 330,707.61
  4. Step 4: Simplify right side
    1,129,412.97x = 560,331,057,518.19
  5. Step 5: Solve for x
    x = 560,331,057,518.19/1,129,412.97
  6. Step 6: Final answer
    x = 496,125.93

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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.