Home / 1,344,370.40-2,015,972.40-445,464.80

Finding the Fourth Proportional to 1,344,370.40, 2,015,972.40 and 445,464.80

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Solution

The fourth proportional to 1,344,370.40, 2,015,972.40 and 445,464.80 is: 668,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,370.40 : 2,015,972.40 = 445,464.80 : x
  2. Step 2: Convert to fraction form
    1,344,370.40/2,015,972.40 = 445,464.80/x
  3. Step 3: Cross multiply
    1,344,370.40x = 2,015,972.40 × 445,464.80
  4. Step 4: Simplify right side
    1,344,370.40x = 898,044,741,971.52
  5. Step 5: Solve for x
    x = 898,044,741,971.52/1,344,370.40
  6. Step 6: Final answer
    x = 668,003.95

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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.