Home / 1,861,089.92-2,790,109.42-662,329.60

Finding the Fourth Proportional to 1,861,089.92, 2,790,109.42 and 662,329.60

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Solution

The fourth proportional to 1,861,089.92, 2,790,109.42 and 662,329.60 is: 992,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,089.92 : 2,790,109.42 = 662,329.60 : x
  2. Step 2: Convert to fraction form
    1,861,089.92/2,790,109.42 = 662,329.60/x
  3. Step 3: Cross multiply
    1,861,089.92x = 2,790,109.42 × 662,329.60
  4. Step 4: Simplify right side
    1,861,089.92x = 1,847,972,056,104.83
  5. Step 5: Solve for x
    x = 1,847,972,056,104.83/1,861,089.92
  6. Step 6: Final answer
    x = 992,951.52

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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.