Home / 1,321,512.48-1,823,677.20-717,904.80

Finding the Fourth Proportional to 1,321,512.48, 1,823,677.20 and 717,904.80

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Solution

The fourth proportional to 1,321,512.48, 1,823,677.20 and 717,904.80 is: 990,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,512.48 : 1,823,677.20 = 717,904.80 : x
  2. Step 2: Convert to fraction form
    1,321,512.48/1,823,677.20 = 717,904.80/x
  3. Step 3: Cross multiply
    1,321,512.48x = 1,823,677.20 × 717,904.80
  4. Step 4: Simplify right side
    1,321,512.48x = 1,309,226,615,530.56
  5. Step 5: Solve for x
    x = 1,309,226,615,530.56/1,321,512.48
  6. Step 6: Final answer
    x = 990,703.18

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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.