Home / 1,261,455.05-1,741,007.32-802,090.76

Finding the Fourth Proportional to 1,261,455.05, 1,741,007.32 and 802,090.76

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Solution

The fourth proportional to 1,261,455.05, 1,741,007.32 and 802,090.76 is: 1,107,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,455.05 : 1,741,007.32 = 802,090.76 : x
  2. Step 2: Convert to fraction form
    1,261,455.05/1,741,007.32 = 802,090.76/x
  3. Step 3: Cross multiply
    1,261,455.05x = 1,741,007.32 × 802,090.76
  4. Step 4: Simplify right side
    1,261,455.05x = 1,396,445,873,754.10
  5. Step 5: Solve for x
    x = 1,396,445,873,754.10/1,261,455.05
  6. Step 6: Final answer
    x = 1,107,011.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.