Home / 1,281,972.64-1,769,666.96-798,776.51

Finding the Fourth Proportional to 1,281,972.64, 1,769,666.96 and 798,776.51

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Solution

The fourth proportional to 1,281,972.64, 1,769,666.96 and 798,776.51 is: 1,102,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,972.64 : 1,769,666.96 = 798,776.51 : x
  2. Step 2: Convert to fraction form
    1,281,972.64/1,769,666.96 = 798,776.51/x
  3. Step 3: Cross multiply
    1,281,972.64x = 1,769,666.96 × 798,776.51
  4. Step 4: Simplify right side
    1,281,972.64x = 1,413,568,398,171.11
  5. Step 5: Solve for x
    x = 1,413,568,398,171.11/1,281,972.64
  6. Step 6: Final answer
    x = 1,102,650.99

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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.