Home / 1,100,879.90-1,649,764.65-814,334.30

Finding the Fourth Proportional to 1,100,879.90, 1,649,764.65 and 814,334.30

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Solution

The fourth proportional to 1,100,879.90, 1,649,764.65 and 814,334.30 is: 1,220,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,879.90 : 1,649,764.65 = 814,334.30 : x
  2. Step 2: Convert to fraction form
    1,100,879.90/1,649,764.65 = 814,334.30/x
  3. Step 3: Cross multiply
    1,100,879.90x = 1,649,764.65 × 814,334.30
  4. Step 4: Simplify right side
    1,100,879.90x = 1,343,459,941,422.50
  5. Step 5: Solve for x
    x = 1,343,459,941,422.50/1,100,879.90
  6. Step 6: Final answer
    x = 1,220,351.05

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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.