Home / 947,051.20-1,419,021.60-788,420.80

Finding the Fourth Proportional to 947,051.20, 1,419,021.60 and 788,420.80

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Solution

The fourth proportional to 947,051.20, 1,419,021.60 and 788,420.80 is: 1,181,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,051.20 : 1,419,021.60 = 788,420.80 : x
  2. Step 2: Convert to fraction form
    947,051.20/1,419,021.60 = 788,420.80/x
  3. Step 3: Cross multiply
    947,051.20x = 1,419,021.60 × 788,420.80
  4. Step 4: Simplify right side
    947,051.20x = 1,118,786,145,089.28
  5. Step 5: Solve for x
    x = 1,118,786,145,089.28/947,051.20
  6. Step 6: Final answer
    x = 1,181,336.49

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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.