Home / 976,906.20-1,463,285.70-811,018.20

Finding the Fourth Proportional to 976,906.20, 1,463,285.70 and 811,018.20

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Solution

The fourth proportional to 976,906.20, 1,463,285.70 and 811,018.20 is: 1,214,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,906.20 : 1,463,285.70 = 811,018.20 : x
  2. Step 2: Convert to fraction form
    976,906.20/1,463,285.70 = 811,018.20/x
  3. Step 3: Cross multiply
    976,906.20x = 1,463,285.70 × 811,018.20
  4. Step 4: Simplify right side
    976,906.20x = 1,186,751,334,499.74
  5. Step 5: Solve for x
    x = 1,186,751,334,499.74/976,906.20
  6. Step 6: Final answer
    x = 1,214,805.82

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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.