Home / 1,099,008.72-1,517,098.44-717,362.64

Finding the Fourth Proportional to 1,099,008.72, 1,517,098.44 and 717,362.64

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Solution

The fourth proportional to 1,099,008.72, 1,517,098.44 and 717,362.64 is: 990,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,008.72 : 1,517,098.44 = 717,362.64 : x
  2. Step 2: Convert to fraction form
    1,099,008.72/1,517,098.44 = 717,362.64/x
  3. Step 3: Cross multiply
    1,099,008.72x = 1,517,098.44 × 717,362.64
  4. Step 4: Simplify right side
    1,099,008.72x = 1,088,309,742,058.28
  5. Step 5: Solve for x
    x = 1,088,309,742,058.28/1,099,008.72
  6. Step 6: Final answer
    x = 990,264.88

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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.