Home / 1,126,588.20-1,689,992.70-327,877.80

Finding the Fourth Proportional to 1,126,588.20, 1,689,992.70 and 327,877.80

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Solution

The fourth proportional to 1,126,588.20, 1,689,992.70 and 327,877.80 is: 491,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,588.20 : 1,689,992.70 = 327,877.80 : x
  2. Step 2: Convert to fraction form
    1,126,588.20/1,689,992.70 = 327,877.80/x
  3. Step 3: Cross multiply
    1,126,588.20x = 1,689,992.70 × 327,877.80
  4. Step 4: Simplify right side
    1,126,588.20x = 554,111,088,492.06
  5. Step 5: Solve for x
    x = 554,111,088,492.06/1,126,588.20
  6. Step 6: Final answer
    x = 491,848.83

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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.