Home / 1,150,105.12-1,725,420.12-351,500.20

Finding the Fourth Proportional to 1,150,105.12, 1,725,420.12 and 351,500.20

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Solution

The fourth proportional to 1,150,105.12, 1,725,420.12 and 351,500.20 is: 527,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,105.12 : 1,725,420.12 = 351,500.20 : x
  2. Step 2: Convert to fraction form
    1,150,105.12/1,725,420.12 = 351,500.20/x
  3. Step 3: Cross multiply
    1,150,105.12x = 1,725,420.12 × 351,500.20
  4. Step 4: Simplify right side
    1,150,105.12x = 606,485,517,264.02
  5. Step 5: Solve for x
    x = 606,485,517,264.02/1,150,105.12
  6. Step 6: Final answer
    x = 527,330.51

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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.