Home / 1,393,493.92-2,089,739.70-482,429.01

Finding the Fourth Proportional to 1,393,493.92, 2,089,739.70 and 482,429.01

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Solution

The fourth proportional to 1,393,493.92, 2,089,739.70 and 482,429.01 is: 723,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,493.92 : 2,089,739.70 = 482,429.01 : x
  2. Step 2: Convert to fraction form
    1,393,493.92/2,089,739.70 = 482,429.01/x
  3. Step 3: Cross multiply
    1,393,493.92x = 2,089,739.70 × 482,429.01
  4. Step 4: Simplify right side
    1,393,493.92x = 1,008,151,046,992.20
  5. Step 5: Solve for x
    x = 1,008,151,046,992.20/1,393,493.92
  6. Step 6: Final answer
    x = 723,470.00

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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.