Home / 1,107,885.60-1,529,060.49-836,260.20

Finding the Fourth Proportional to 1,107,885.60, 1,529,060.49 and 836,260.20

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Solution

The fourth proportional to 1,107,885.60, 1,529,060.49 and 836,260.20 is: 1,154,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,885.60 : 1,529,060.49 = 836,260.20 : x
  2. Step 2: Convert to fraction form
    1,107,885.60/1,529,060.49 = 836,260.20/x
  3. Step 3: Cross multiply
    1,107,885.60x = 1,529,060.49 × 836,260.20
  4. Step 4: Simplify right side
    1,107,885.60x = 1,278,692,431,179.50
  5. Step 5: Solve for x
    x = 1,278,692,431,179.50/1,107,885.60
  6. Step 6: Final answer
    x = 1,154,173.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.