Home / 947,060.20-1,419,035.10-788,429.80

Finding the Fourth Proportional to 947,060.20, 1,419,035.10 and 788,429.80

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Solution

The fourth proportional to 947,060.20, 1,419,035.10 and 788,429.80 is: 1,181,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,060.20 : 1,419,035.10 = 788,429.80 : x
  2. Step 2: Convert to fraction form
    947,060.20/1,419,035.10 = 788,429.80/x
  3. Step 3: Cross multiply
    947,060.20x = 1,419,035.10 × 788,429.80
  4. Step 4: Simplify right side
    947,060.20x = 1,118,809,560,085.98
  5. Step 5: Solve for x
    x = 1,118,809,560,085.98/947,060.20
  6. Step 6: Final answer
    x = 1,181,349.99

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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.