Home / 1,344,363.40-2,015,961.90-445,457.80

Finding the Fourth Proportional to 1,344,363.40, 2,015,961.90 and 445,457.80

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Solution

The fourth proportional to 1,344,363.40, 2,015,961.90 and 445,457.80 is: 667,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,363.40 : 2,015,961.90 = 445,457.80 : x
  2. Step 2: Convert to fraction form
    1,344,363.40/2,015,961.90 = 445,457.80/x
  3. Step 3: Cross multiply
    1,344,363.40x = 2,015,961.90 × 445,457.80
  4. Step 4: Simplify right side
    1,344,363.40x = 898,025,952,857.82
  5. Step 5: Solve for x
    x = 898,025,952,857.82/1,344,363.40
  6. Step 6: Final answer
    x = 667,993.46

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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.