Home / 1,172,306.43-1,758,213.57-330,661.35

Finding the Fourth Proportional to 1,172,306.43, 1,758,213.57 and 330,661.35

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Solution

The fourth proportional to 1,172,306.43, 1,758,213.57 and 330,661.35 is: 495,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,306.43 : 1,758,213.57 = 330,661.35 : x
  2. Step 2: Convert to fraction form
    1,172,306.43/1,758,213.57 = 330,661.35/x
  3. Step 3: Cross multiply
    1,172,306.43x = 1,758,213.57 × 330,661.35
  4. Step 4: Simplify right side
    1,172,306.43x = 581,373,272,644.52
  5. Step 5: Solve for x
    x = 581,373,272,644.52/1,172,306.43
  6. Step 6: Final answer
    x = 495,922.62

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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.