Home / 1,120,275.50-1,680,414.26-480,163.84

Finding the Fourth Proportional to 1,120,275.50, 1,680,414.26 and 480,163.84

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Solution

The fourth proportional to 1,120,275.50, 1,680,414.26 and 480,163.84 is: 720,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,275.50 : 1,680,414.26 = 480,163.84 : x
  2. Step 2: Convert to fraction form
    1,120,275.50/1,680,414.26 = 480,163.84/x
  3. Step 3: Cross multiply
    1,120,275.50x = 1,680,414.26 × 480,163.84
  4. Step 4: Simplify right side
    1,120,275.50x = 806,874,153,069.47
  5. Step 5: Solve for x
    x = 806,874,153,069.47/1,120,275.50
  6. Step 6: Final answer
    x = 720,246.18

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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.