Home / 1,321,192.48-1,823,235.60-717,584.80

Finding the Fourth Proportional to 1,321,192.48, 1,823,235.60 and 717,584.80

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Solution

The fourth proportional to 1,321,192.48, 1,823,235.60 and 717,584.80 is: 990,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,192.48 : 1,823,235.60 = 717,584.80 : x
  2. Step 2: Convert to fraction form
    1,321,192.48/1,823,235.60 = 717,584.80/x
  3. Step 3: Cross multiply
    1,321,192.48x = 1,823,235.60 × 717,584.80
  4. Step 4: Simplify right side
    1,321,192.48x = 1,308,326,153,378.88
  5. Step 5: Solve for x
    x = 1,308,326,153,378.88/1,321,192.48
  6. Step 6: Final answer
    x = 990,261.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.