Home / 947,831.60-1,418,982.60-920,183.60

Finding the Fourth Proportional to 947,831.60, 1,418,982.60 and 920,183.60

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Solution

The fourth proportional to 947,831.60, 1,418,982.60 and 920,183.60 is: 1,377,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,831.60 : 1,418,982.60 = 920,183.60 : x
  2. Step 2: Convert to fraction form
    947,831.60/1,418,982.60 = 920,183.60/x
  3. Step 3: Cross multiply
    947,831.60x = 1,418,982.60 × 920,183.60
  4. Step 4: Simplify right side
    947,831.60x = 1,305,724,517,205.36
  5. Step 5: Solve for x
    x = 1,305,724,517,205.36/947,831.60
  6. Step 6: Final answer
    x = 1,377,591.25

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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.