Home / 1,380,424.64-2,071,135.20-481,998.80

Finding the Fourth Proportional to 1,380,424.64, 2,071,135.20 and 481,998.80

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Solution

The fourth proportional to 1,380,424.64, 2,071,135.20 and 481,998.80 is: 723,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,424.64 : 2,071,135.20 = 481,998.80 : x
  2. Step 2: Convert to fraction form
    1,380,424.64/2,071,135.20 = 481,998.80/x
  3. Step 3: Cross multiply
    1,380,424.64x = 2,071,135.20 × 481,998.80
  4. Step 4: Simplify right side
    1,380,424.64x = 998,284,681,037.76
  5. Step 5: Solve for x
    x = 998,284,681,037.76/1,380,424.64
  6. Step 6: Final answer
    x = 723,172.17

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1.5x scale

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.