Home / 1,089,073.40-1,635,359.70-823,134.20

Finding the Fourth Proportional to 1,089,073.40, 1,635,359.70 and 823,134.20

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Solution

The fourth proportional to 1,089,073.40, 1,635,359.70 and 823,134.20 is: 1,236,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,073.40 : 1,635,359.70 = 823,134.20 : x
  2. Step 2: Convert to fraction form
    1,089,073.40/1,635,359.70 = 823,134.20/x
  3. Step 3: Cross multiply
    1,089,073.40x = 1,635,359.70 × 823,134.20
  4. Step 4: Simplify right side
    1,089,073.40x = 1,346,120,498,371.74
  5. Step 5: Solve for x
    x = 1,346,120,498,371.74/1,089,073.40
  6. Step 6: Final answer
    x = 1,236,023.67

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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.