Home / 1,147,867.56-1,583,629.38-717,984.36

Finding the Fourth Proportional to 1,147,867.56, 1,583,629.38 and 717,984.36

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Solution

The fourth proportional to 1,147,867.56, 1,583,629.38 and 717,984.36 is: 990,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,867.56 : 1,583,629.38 = 717,984.36 : x
  2. Step 2: Convert to fraction form
    1,147,867.56/1,583,629.38 = 717,984.36/x
  3. Step 3: Cross multiply
    1,147,867.56x = 1,583,629.38 × 717,984.36
  4. Step 4: Simplify right side
    1,147,867.56x = 1,137,021,126,876.50
  5. Step 5: Solve for x
    x = 1,137,021,126,876.50/1,147,867.56
  6. Step 6: Final answer
    x = 990,550.80

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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.