Home / 1,321,396.92-1,823,479.02-717,771.96

Finding the Fourth Proportional to 1,321,396.92, 1,823,479.02 and 717,771.96

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Solution

The fourth proportional to 1,321,396.92, 1,823,479.02 and 717,771.96 is: 990,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,396.92 : 1,823,479.02 = 717,771.96 : x
  2. Step 2: Convert to fraction form
    1,321,396.92/1,823,479.02 = 717,771.96/x
  3. Step 3: Cross multiply
    1,321,396.92x = 1,823,479.02 × 717,771.96
  4. Step 4: Simplify right side
    1,321,396.92x = 1,308,842,110,204.28
  5. Step 5: Solve for x
    x = 1,308,842,110,204.28/1,321,396.92
  6. Step 6: Final answer
    x = 990,498.84

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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.