Home / 780,151.20-1,171,101.60-603,441.60

Finding the Fourth Proportional to 780,151.20, 1,171,101.60 and 603,441.60

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Solution

The fourth proportional to 780,151.20, 1,171,101.60 and 603,441.60 is: 905,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,151.20 : 1,171,101.60 = 603,441.60 : x
  2. Step 2: Convert to fraction form
    780,151.20/1,171,101.60 = 603,441.60/x
  3. Step 3: Cross multiply
    780,151.20x = 1,171,101.60 × 603,441.60
  4. Step 4: Simplify right side
    780,151.20x = 706,691,423,266.56
  5. Step 5: Solve for x
    x = 706,691,423,266.56/780,151.20
  6. Step 6: Final answer
    x = 905,839.05

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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.