Home / 1,763,512.72-2,643,168.96-1,228,135.12

Finding the Fourth Proportional to 1,763,512.72, 2,643,168.96 and 1,228,135.12

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Solution

The fourth proportional to 1,763,512.72, 2,643,168.96 and 1,228,135.12 is: 1,840,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,512.72 : 2,643,168.96 = 1,228,135.12 : x
  2. Step 2: Convert to fraction form
    1,763,512.72/2,643,168.96 = 1,228,135.12/x
  3. Step 3: Cross multiply
    1,763,512.72x = 2,643,168.96 × 1,228,135.12
  4. Step 4: Simplify right side
    1,763,512.72x = 3,246,168,627,869.88
  5. Step 5: Solve for x
    x = 3,246,168,627,869.88/1,763,512.72
  6. Step 6: Final answer
    x = 1,840,740.13

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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.