Home / 1,162,029.80-1,743,145.16-320,581.55

Finding the Fourth Proportional to 1,162,029.80, 1,743,145.16 and 320,581.55

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Solution

The fourth proportional to 1,162,029.80, 1,743,145.16 and 320,581.55 is: 480,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,029.80 : 1,743,145.16 = 320,581.55 : x
  2. Step 2: Convert to fraction form
    1,162,029.80/1,743,145.16 = 320,581.55/x
  3. Step 3: Cross multiply
    1,162,029.80x = 1,743,145.16 × 320,581.55
  4. Step 4: Simplify right side
    1,162,029.80x = 558,820,172,020.83
  5. Step 5: Solve for x
    x = 558,820,172,020.83/1,162,029.80
  6. Step 6: Final answer
    x = 480,900.04

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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.