Home / 918,321.20-1,373,593.80-824,231.60

Finding the Fourth Proportional to 918,321.20, 1,373,593.80 and 824,231.60

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Solution

The fourth proportional to 918,321.20, 1,373,593.80 and 824,231.60 is: 1,232,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,321.20 : 1,373,593.80 = 824,231.60 : x
  2. Step 2: Convert to fraction form
    918,321.20/1,373,593.80 = 824,231.60/x
  3. Step 3: Cross multiply
    918,321.20x = 1,373,593.80 × 824,231.60
  4. Step 4: Simplify right side
    918,321.20x = 1,132,159,415,524.08
  5. Step 5: Solve for x
    x = 1,132,159,415,524.08/918,321.20
  6. Step 6: Final answer
    x = 1,232,857.76

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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.