Home / 1,344,364.40-2,015,963.40-445,458.80

Finding the Fourth Proportional to 1,344,364.40, 2,015,963.40 and 445,458.80

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Solution

The fourth proportional to 1,344,364.40, 2,015,963.40 and 445,458.80 is: 667,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,364.40 : 2,015,963.40 = 445,458.80 : x
  2. Step 2: Convert to fraction form
    1,344,364.40/2,015,963.40 = 445,458.80/x
  3. Step 3: Cross multiply
    1,344,364.40x = 2,015,963.40 × 445,458.80
  4. Step 4: Simplify right side
    1,344,364.40x = 898,028,637,007.92
  5. Step 5: Solve for x
    x = 898,028,637,007.92/1,344,364.40
  6. Step 6: Final answer
    x = 667,994.96

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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.