Home / 1,122,415.80-1,548,908.64-613,120.20

Finding the Fourth Proportional to 1,122,415.80, 1,548,908.64 and 613,120.20

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Solution

The fourth proportional to 1,122,415.80, 1,548,908.64 and 613,120.20 is: 846,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,415.80 : 1,548,908.64 = 613,120.20 : x
  2. Step 2: Convert to fraction form
    1,122,415.80/1,548,908.64 = 613,120.20/x
  3. Step 3: Cross multiply
    1,122,415.80x = 1,548,908.64 × 613,120.20
  4. Step 4: Simplify right side
    1,122,415.80x = 949,667,175,138.53
  5. Step 5: Solve for x
    x = 949,667,175,138.53/1,122,415.80
  6. Step 6: Final answer
    x = 846,092.13

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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.