Home / 1,099,009.72-1,517,099.82-717,363.64

Finding the Fourth Proportional to 1,099,009.72, 1,517,099.82 and 717,363.64

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Solution

The fourth proportional to 1,099,009.72, 1,517,099.82 and 717,363.64 is: 990,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,009.72 : 1,517,099.82 = 717,363.64 : x
  2. Step 2: Convert to fraction form
    1,099,009.72/1,517,099.82 = 717,363.64/x
  3. Step 3: Cross multiply
    1,099,009.72x = 1,517,099.82 × 717,363.64
  4. Step 4: Simplify right side
    1,099,009.72x = 1,088,312,249,118.55
  5. Step 5: Solve for x
    x = 1,088,312,249,118.55/1,099,009.72
  6. Step 6: Final answer
    x = 990,266.26

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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.