Home / 1,340,003.20-2,009,313.60-498,121.60

Finding the Fourth Proportional to 1,340,003.20, 2,009,313.60 and 498,121.60

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Solution

The fourth proportional to 1,340,003.20, 2,009,313.60 and 498,121.60 is: 746,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,003.20 : 2,009,313.60 = 498,121.60 : x
  2. Step 2: Convert to fraction form
    1,340,003.20/2,009,313.60 = 498,121.60/x
  3. Step 3: Cross multiply
    1,340,003.20x = 2,009,313.60 × 498,121.60
  4. Step 4: Simplify right side
    1,340,003.20x = 1,000,882,505,333.76
  5. Step 5: Solve for x
    x = 1,000,882,505,333.76/1,340,003.20
  6. Step 6: Final answer
    x = 746,925.46

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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.