Home / 869,270.40-1,300,795.20-794,620.80

Finding the Fourth Proportional to 869,270.40, 1,300,795.20 and 794,620.80

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Solution

The fourth proportional to 869,270.40, 1,300,795.20 and 794,620.80 is: 1,189,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,270.40 : 1,300,795.20 = 794,620.80 : x
  2. Step 2: Convert to fraction form
    869,270.40/1,300,795.20 = 794,620.80/x
  3. Step 3: Cross multiply
    869,270.40x = 1,300,795.20 × 794,620.80
  4. Step 4: Simplify right side
    869,270.40x = 1,033,638,922,460.16
  5. Step 5: Solve for x
    x = 1,033,638,922,460.16/869,270.40
  6. Step 6: Final answer
    x = 1,189,087.91

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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.