Home / 1,084,229.20-1,626,220.72-285,573.24

Finding the Fourth Proportional to 1,084,229.20, 1,626,220.72 and 285,573.24

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Solution

The fourth proportional to 1,084,229.20, 1,626,220.72 and 285,573.24 is: 428,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,229.20 : 1,626,220.72 = 285,573.24 : x
  2. Step 2: Convert to fraction form
    1,084,229.20/1,626,220.72 = 285,573.24/x
  3. Step 3: Cross multiply
    1,084,229.20x = 1,626,220.72 × 285,573.24
  4. Step 4: Simplify right side
    1,084,229.20x = 464,405,119,965.53
  5. Step 5: Solve for x
    x = 464,405,119,965.53/1,084,229.20
  6. Step 6: Final answer
    x = 428,327.44

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Double scale
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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.