Home / 1,380,396.64-2,071,093.16-481,970.72

Finding the Fourth Proportional to 1,380,396.64, 2,071,093.16 and 481,970.72

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Solution

The fourth proportional to 1,380,396.64, 2,071,093.16 and 481,970.72 is: 723,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,396.64 : 2,071,093.16 = 481,970.72 : x
  2. Step 2: Convert to fraction form
    1,380,396.64/2,071,093.16 = 481,970.72/x
  3. Step 3: Cross multiply
    1,380,396.64x = 2,071,093.16 × 481,970.72
  4. Step 4: Simplify right side
    1,380,396.64x = 998,206,261,512.28
  5. Step 5: Solve for x
    x = 998,206,261,512.28/1,380,396.64
  6. Step 6: Final answer
    x = 723,130.03

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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.