Home / 1,571,039.20-2,351,115.60-940,405.60

Finding the Fourth Proportional to 1,571,039.20, 2,351,115.60 and 940,405.60

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Solution

The fourth proportional to 1,571,039.20, 2,351,115.60 and 940,405.60 is: 1,407,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,039.20 : 2,351,115.60 = 940,405.60 : x
  2. Step 2: Convert to fraction form
    1,571,039.20/2,351,115.60 = 940,405.60/x
  3. Step 3: Cross multiply
    1,571,039.20x = 2,351,115.60 × 940,405.60
  4. Step 4: Simplify right side
    1,571,039.20x = 2,211,002,276,487.36
  5. Step 5: Solve for x
    x = 2,211,002,276,487.36/1,571,039.20
  6. Step 6: Final answer
    x = 1,407,350.16

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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.