Home / 801,101.70-1,201,652.55-773,108.10

Finding the Fourth Proportional to 801,101.70, 1,201,652.55 and 773,108.10

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Solution

The fourth proportional to 801,101.70, 1,201,652.55 and 773,108.10 is: 1,159,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,101.70 : 1,201,652.55 = 773,108.10 : x
  2. Step 2: Convert to fraction form
    801,101.70/1,201,652.55 = 773,108.10/x
  3. Step 3: Cross multiply
    801,101.70x = 1,201,652.55 × 773,108.10
  4. Step 4: Simplify right side
    801,101.70x = 929,007,319,790.66
  5. Step 5: Solve for x
    x = 929,007,319,790.66/801,101.70
  6. Step 6: Final answer
    x = 1,159,662.15

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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.