Home / 1,084,341.06-1,626,372.81-285,684.30

Finding the Fourth Proportional to 1,084,341.06, 1,626,372.81 and 285,684.30

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Solution

The fourth proportional to 1,084,341.06, 1,626,372.81 and 285,684.30 is: 428,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,341.06 : 1,626,372.81 = 285,684.30 : x
  2. Step 2: Convert to fraction form
    1,084,341.06/1,626,372.81 = 285,684.30/x
  3. Step 3: Cross multiply
    1,084,341.06x = 1,626,372.81 × 285,684.30
  4. Step 4: Simplify right side
    1,084,341.06x = 464,629,177,763.88
  5. Step 5: Solve for x
    x = 464,629,177,763.88/1,084,341.06
  6. Step 6: Final answer
    x = 428,489.89

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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.