Home / 1,078,141.80-1,617,212.70-367,998.60

Finding the Fourth Proportional to 1,078,141.80, 1,617,212.70 and 367,998.60

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Solution

The fourth proportional to 1,078,141.80, 1,617,212.70 and 367,998.60 is: 551,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,141.80 : 1,617,212.70 = 367,998.60 : x
  2. Step 2: Convert to fraction form
    1,078,141.80/1,617,212.70 = 367,998.60/x
  3. Step 3: Cross multiply
    1,078,141.80x = 1,617,212.70 × 367,998.60
  4. Step 4: Simplify right side
    1,078,141.80x = 595,132,009,502.22
  5. Step 5: Solve for x
    x = 595,132,009,502.22/1,078,141.80
  6. Step 6: Final answer
    x = 551,997.90

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Double scale
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Similar ratio
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1.5x scale

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.