Home / 1,147,292.20-1,721,715.90-746,957.80

Finding the Fourth Proportional to 1,147,292.20, 1,721,715.90 and 746,957.80

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Solution

The fourth proportional to 1,147,292.20, 1,721,715.90 and 746,957.80 is: 1,120,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,292.20 : 1,721,715.90 = 746,957.80 : x
  2. Step 2: Convert to fraction form
    1,147,292.20/1,721,715.90 = 746,957.80/x
  3. Step 3: Cross multiply
    1,147,292.20x = 1,721,715.90 × 746,957.80
  4. Step 4: Simplify right side
    1,147,292.20x = 1,286,049,120,889.02
  5. Step 5: Solve for x
    x = 1,286,049,120,889.02/1,147,292.20
  6. Step 6: Final answer
    x = 1,120,942.97

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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.