Home / 1,100,056.14-1,518,147.60-616,621.38

Finding the Fourth Proportional to 1,100,056.14, 1,518,147.60 and 616,621.38

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Solution

The fourth proportional to 1,100,056.14, 1,518,147.60 and 616,621.38 is: 850,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,056.14 : 1,518,147.60 = 616,621.38 : x
  2. Step 2: Convert to fraction form
    1,100,056.14/1,518,147.60 = 616,621.38/x
  3. Step 3: Cross multiply
    1,100,056.14x = 1,518,147.60 × 616,621.38
  4. Step 4: Simplify right side
    1,100,056.14x = 936,122,268,155.69
  5. Step 5: Solve for x
    x = 936,122,268,155.69/1,100,056.14
  6. Step 6: Final answer
    x = 850,976.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.