Home / 1,345,358.80-2,017,033.80-812,767.60

Finding the Fourth Proportional to 1,345,358.80, 2,017,033.80 and 812,767.60

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Solution

The fourth proportional to 1,345,358.80, 2,017,033.80 and 812,767.60 is: 1,218,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,358.80 : 2,017,033.80 = 812,767.60 : x
  2. Step 2: Convert to fraction form
    1,345,358.80/2,017,033.80 = 812,767.60/x
  3. Step 3: Cross multiply
    1,345,358.80x = 2,017,033.80 × 812,767.60
  4. Step 4: Simplify right side
    1,345,358.80x = 1,639,379,720,744.88
  5. Step 5: Solve for x
    x = 1,639,379,720,744.88/1,345,358.80
  6. Step 6: Final answer
    x = 1,218,544.61

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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.