Home / 1,131,028.80-1,696,543.20-343,060.80

Finding the Fourth Proportional to 1,131,028.80, 1,696,543.20 and 343,060.80

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Solution

The fourth proportional to 1,131,028.80, 1,696,543.20 and 343,060.80 is: 514,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,028.80 : 1,696,543.20 = 343,060.80 : x
  2. Step 2: Convert to fraction form
    1,131,028.80/1,696,543.20 = 343,060.80/x
  3. Step 3: Cross multiply
    1,131,028.80x = 1,696,543.20 × 343,060.80
  4. Step 4: Simplify right side
    1,131,028.80x = 582,017,467,426.56
  5. Step 5: Solve for x
    x = 582,017,467,426.56/1,131,028.80
  6. Step 6: Final answer
    x = 514,591.20

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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.