Home / 1,620,942.64-2,431,833.91-862,159.54

Finding the Fourth Proportional to 1,620,942.64, 2,431,833.91 and 862,159.54

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Solution

The fourth proportional to 1,620,942.64, 2,431,833.91 and 862,159.54 is: 1,293,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,942.64 : 2,431,833.91 = 862,159.54 : x
  2. Step 2: Convert to fraction form
    1,620,942.64/2,431,833.91 = 862,159.54/x
  3. Step 3: Cross multiply
    1,620,942.64x = 2,431,833.91 × 862,159.54
  4. Step 4: Simplify right side
    1,620,942.64x = 2,096,628,805,202.00
  5. Step 5: Solve for x
    x = 2,096,628,805,202.00/1,620,942.64
  6. Step 6: Final answer
    x = 1,293,462.68

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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.