Home / 929,471.40-1,394,207.10-827,994.60

Finding the Fourth Proportional to 929,471.40, 1,394,207.10 and 827,994.60

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Solution

The fourth proportional to 929,471.40, 1,394,207.10 and 827,994.60 is: 1,241,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,471.40 : 1,394,207.10 = 827,994.60 : x
  2. Step 2: Convert to fraction form
    929,471.40/1,394,207.10 = 827,994.60/x
  3. Step 3: Cross multiply
    929,471.40x = 1,394,207.10 × 827,994.60
  4. Step 4: Simplify right side
    929,471.40x = 1,154,395,950,081.66
  5. Step 5: Solve for x
    x = 1,154,395,950,081.66/929,471.40
  6. Step 6: Final answer
    x = 1,241,991.90

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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.