Home / 947,047.20-1,419,015.60-788,416.80

Finding the Fourth Proportional to 947,047.20, 1,419,015.60 and 788,416.80

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Solution

The fourth proportional to 947,047.20, 1,419,015.60 and 788,416.80 is: 1,181,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,047.20 : 1,419,015.60 = 788,416.80 : x
  2. Step 2: Convert to fraction form
    947,047.20/1,419,015.60 = 788,416.80/x
  3. Step 3: Cross multiply
    947,047.20x = 1,419,015.60 × 788,416.80
  4. Step 4: Simplify right side
    947,047.20x = 1,118,775,738,502.08
  5. Step 5: Solve for x
    x = 1,118,775,738,502.08/947,047.20
  6. Step 6: Final answer
    x = 1,181,330.50

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1.5x scale

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.