Home / 1,165,052.80-1,747,843.92-355,509.61

Finding the Fourth Proportional to 1,165,052.80, 1,747,843.92 and 355,509.61

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Solution

The fourth proportional to 1,165,052.80, 1,747,843.92 and 355,509.61 is: 533,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,052.80 : 1,747,843.92 = 355,509.61 : x
  2. Step 2: Convert to fraction form
    1,165,052.80/1,747,843.92 = 355,509.61/x
  3. Step 3: Cross multiply
    1,165,052.80x = 1,747,843.92 × 355,509.61
  4. Step 4: Simplify right side
    1,165,052.80x = 621,375,305,970.46
  5. Step 5: Solve for x
    x = 621,375,305,970.46/1,165,052.80
  6. Step 6: Final answer
    x = 533,345.19

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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.