Home / 1,313,441.20-1,971,036.60-603,103.60

Finding the Fourth Proportional to 1,313,441.20, 1,971,036.60 and 603,103.60

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Solution

The fourth proportional to 1,313,441.20, 1,971,036.60 and 603,103.60 is: 905,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,441.20 : 1,971,036.60 = 603,103.60 : x
  2. Step 2: Convert to fraction form
    1,313,441.20/1,971,036.60 = 603,103.60/x
  3. Step 3: Cross multiply
    1,313,441.20x = 1,971,036.60 × 603,103.60
  4. Step 4: Simplify right side
    1,313,441.20x = 1,188,739,269,191.76
  5. Step 5: Solve for x
    x = 1,188,739,269,191.76/1,313,441.20
  6. Step 6: Final answer
    x = 905,057.09

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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.