Home / 1,343,744.32-2,015,900.80-445,135.20

Finding the Fourth Proportional to 1,343,744.32, 2,015,900.80 and 445,135.20

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Solution

The fourth proportional to 1,343,744.32, 2,015,900.80 and 445,135.20 is: 667,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,744.32 : 2,015,900.80 = 445,135.20 : x
  2. Step 2: Convert to fraction form
    1,343,744.32/2,015,900.80 = 445,135.20/x
  3. Step 3: Cross multiply
    1,343,744.32x = 2,015,900.80 × 445,135.20
  4. Step 4: Simplify right side
    1,343,744.32x = 897,348,405,788.16
  5. Step 5: Solve for x
    x = 897,348,405,788.16/1,343,744.32
  6. Step 6: Final answer
    x = 667,796.99

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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.