Home / 1,760,418.30-2,640,315.30-800,649.09

Finding the Fourth Proportional to 1,760,418.30, 2,640,315.30 and 800,649.09

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Solution

The fourth proportional to 1,760,418.30, 2,640,315.30 and 800,649.09 is: 1,200,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,418.30 : 2,640,315.30 = 800,649.09 : x
  2. Step 2: Convert to fraction form
    1,760,418.30/2,640,315.30 = 800,649.09/x
  3. Step 3: Cross multiply
    1,760,418.30x = 2,640,315.30 × 800,649.09
  4. Step 4: Simplify right side
    1,760,418.30x = 2,113,966,042,258.08
  5. Step 5: Solve for x
    x = 2,113,966,042,258.08/1,760,418.30
  6. Step 6: Final answer
    x = 1,200,831.67

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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.