Home / 1,820,879.20-2,732,971.20-922,945.60

Finding the Fourth Proportional to 1,820,879.20, 2,732,971.20 and 922,945.60

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Solution

The fourth proportional to 1,820,879.20, 2,732,971.20 and 922,945.60 is: 1,385,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,879.20 : 2,732,971.20 = 922,945.60 : x
  2. Step 2: Convert to fraction form
    1,820,879.20/2,732,971.20 = 922,945.60/x
  3. Step 3: Cross multiply
    1,820,879.20x = 2,732,971.20 × 922,945.60
  4. Step 4: Simplify right side
    1,820,879.20x = 2,522,383,743,966.72
  5. Step 5: Solve for x
    x = 2,522,383,743,966.72/1,820,879.20
  6. Step 6: Final answer
    x = 1,385,255.95

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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.