Home / 1,172,115.40-1,758,173.10-1,027,481.80

Finding the Fourth Proportional to 1,172,115.40, 1,758,173.10 and 1,027,481.80

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Solution

The fourth proportional to 1,172,115.40, 1,758,173.10 and 1,027,481.80 is: 1,541,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,115.40 : 1,758,173.10 = 1,027,481.80 : x
  2. Step 2: Convert to fraction form
    1,172,115.40/1,758,173.10 = 1,027,481.80/x
  3. Step 3: Cross multiply
    1,172,115.40x = 1,758,173.10 × 1,027,481.80
  4. Step 4: Simplify right side
    1,172,115.40x = 1,806,490,861,499.58
  5. Step 5: Solve for x
    x = 1,806,490,861,499.58/1,172,115.40
  6. Step 6: Final answer
    x = 1,541,222.70

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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.