Home / 1,266,218.60-1,899,327.90-367,658.60

Finding the Fourth Proportional to 1,266,218.60, 1,899,327.90 and 367,658.60

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Solution

The fourth proportional to 1,266,218.60, 1,899,327.90 and 367,658.60 is: 551,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,218.60 : 1,899,327.90 = 367,658.60 : x
  2. Step 2: Convert to fraction form
    1,266,218.60/1,899,327.90 = 367,658.60/x
  3. Step 3: Cross multiply
    1,266,218.60x = 1,899,327.90 × 367,658.60
  4. Step 4: Simplify right side
    1,266,218.60x = 698,304,236,654.94
  5. Step 5: Solve for x
    x = 698,304,236,654.94/1,266,218.60
  6. Step 6: Final answer
    x = 551,487.90

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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.