Home / 1,120,145.37-1,680,227.85-361,986.75

Finding the Fourth Proportional to 1,120,145.37, 1,680,227.85 and 361,986.75

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Solution

The fourth proportional to 1,120,145.37, 1,680,227.85 and 361,986.75 is: 542,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,145.37 : 1,680,227.85 = 361,986.75 : x
  2. Step 2: Convert to fraction form
    1,120,145.37/1,680,227.85 = 361,986.75/x
  3. Step 3: Cross multiply
    1,120,145.37x = 1,680,227.85 × 361,986.75
  4. Step 4: Simplify right side
    1,120,145.37x = 608,220,218,680.99
  5. Step 5: Solve for x
    x = 608,220,218,680.99/1,120,145.37
  6. Step 6: Final answer
    x = 542,983.29

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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.