Home / 1,861,078.61-2,790,092.25-662,318.30

Finding the Fourth Proportional to 1,861,078.61, 2,790,092.25 and 662,318.30

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Solution

The fourth proportional to 1,861,078.61, 2,790,092.25 and 662,318.30 is: 992,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,078.61 : 2,790,092.25 = 662,318.30 : x
  2. Step 2: Convert to fraction form
    1,861,078.61/2,790,092.25 = 662,318.30/x
  3. Step 3: Cross multiply
    1,861,078.61x = 2,790,092.25 × 662,318.30
  4. Step 4: Simplify right side
    1,861,078.61x = 1,847,929,141,912.71
  5. Step 5: Solve for x
    x = 1,847,929,141,912.71/1,861,078.61
  6. Step 6: Final answer
    x = 992,934.49

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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.