Home / 1,210,600.40-1,815,900.60-324,136.40

Finding the Fourth Proportional to 1,210,600.40, 1,815,900.60 and 324,136.40

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Solution

The fourth proportional to 1,210,600.40, 1,815,900.60 and 324,136.40 is: 486,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,600.40 : 1,815,900.60 = 324,136.40 : x
  2. Step 2: Convert to fraction form
    1,210,600.40/1,815,900.60 = 324,136.40/x
  3. Step 3: Cross multiply
    1,210,600.40x = 1,815,900.60 × 324,136.40
  4. Step 4: Simplify right side
    1,210,600.40x = 588,599,483,241.84
  5. Step 5: Solve for x
    x = 588,599,483,241.84/1,210,600.40
  6. Step 6: Final answer
    x = 486,204.60

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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.