Home / 806,823.20-1,210,234.80-786,087.20

Finding the Fourth Proportional to 806,823.20, 1,210,234.80 and 786,087.20

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Solution

The fourth proportional to 806,823.20, 1,210,234.80 and 786,087.20 is: 1,179,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,823.20 : 1,210,234.80 = 786,087.20 : x
  2. Step 2: Convert to fraction form
    806,823.20/1,210,234.80 = 786,087.20/x
  3. Step 3: Cross multiply
    806,823.20x = 1,210,234.80 × 786,087.20
  4. Step 4: Simplify right side
    806,823.20x = 951,350,085,274.56
  5. Step 5: Solve for x
    x = 951,350,085,274.56/806,823.20
  6. Step 6: Final answer
    x = 1,179,130.80

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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.