Home / 1,095,640.20-1,643,330.70-296,872.20

Finding the Fourth Proportional to 1,095,640.20, 1,643,330.70 and 296,872.20

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Solution

The fourth proportional to 1,095,640.20, 1,643,330.70 and 296,872.20 is: 445,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,640.20 : 1,643,330.70 = 296,872.20 : x
  2. Step 2: Convert to fraction form
    1,095,640.20/1,643,330.70 = 296,872.20/x
  3. Step 3: Cross multiply
    1,095,640.20x = 1,643,330.70 × 296,872.20
  4. Step 4: Simplify right side
    1,095,640.20x = 487,859,200,236.54
  5. Step 5: Solve for x
    x = 487,859,200,236.54/1,095,640.20
  6. Step 6: Final answer
    x = 445,273.18

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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.