Home / 1,122,455.46-1,549,022.58-613,190.64

Finding the Fourth Proportional to 1,122,455.46, 1,549,022.58 and 613,190.64

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Solution

The fourth proportional to 1,122,455.46, 1,549,022.58 and 613,190.64 is: 846,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,455.46 : 1,549,022.58 = 613,190.64 : x
  2. Step 2: Convert to fraction form
    1,122,455.46/1,549,022.58 = 613,190.64/x
  3. Step 3: Cross multiply
    1,122,455.46x = 1,549,022.58 × 613,190.64
  4. Step 4: Simplify right side
    1,122,455.46x = 949,846,147,204.65
  5. Step 5: Solve for x
    x = 949,846,147,204.65/1,122,455.46
  6. Step 6: Final answer
    x = 846,221.68

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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.