Home / 1,084,178.37-1,626,138.40-285,522.22

Finding the Fourth Proportional to 1,084,178.37, 1,626,138.40 and 285,522.22

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Solution

The fourth proportional to 1,084,178.37, 1,626,138.40 and 285,522.22 is: 428,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,178.37 : 1,626,138.40 = 285,522.22 : x
  2. Step 2: Convert to fraction form
    1,084,178.37/1,626,138.40 = 285,522.22/x
  3. Step 3: Cross multiply
    1,084,178.37x = 1,626,138.40 × 285,522.22
  4. Step 4: Simplify right side
    1,084,178.37x = 464,298,645,995.25
  5. Step 5: Solve for x
    x = 464,298,645,995.25/1,084,178.37
  6. Step 6: Final answer
    x = 428,249.32

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Double scale
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Similar ratio
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1.5x scale

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.