Home / 1,517,816.20-2,277,599.10-571,865.80

Finding the Fourth Proportional to 1,517,816.20, 2,277,599.10 and 571,865.80

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Solution

The fourth proportional to 1,517,816.20, 2,277,599.10 and 571,865.80 is: 858,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,816.20 : 2,277,599.10 = 571,865.80 : x
  2. Step 2: Convert to fraction form
    1,517,816.20/2,277,599.10 = 571,865.80/x
  3. Step 3: Cross multiply
    1,517,816.20x = 2,277,599.10 × 571,865.80
  4. Step 4: Simplify right side
    1,517,816.20x = 1,302,481,031,400.78
  5. Step 5: Solve for x
    x = 1,302,481,031,400.78/1,517,816.20
  6. Step 6: Final answer
    x = 858,128.30

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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.