Home / 1,359,459.40-2,040,744.30-798,809.80

Finding the Fourth Proportional to 1,359,459.40, 2,040,744.30 and 798,809.80

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Solution

The fourth proportional to 1,359,459.40, 2,040,744.30 and 798,809.80 is: 1,199,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,459.40 : 2,040,744.30 = 798,809.80 : x
  2. Step 2: Convert to fraction form
    1,359,459.40/2,040,744.30 = 798,809.80/x
  3. Step 3: Cross multiply
    1,359,459.40x = 2,040,744.30 × 798,809.80
  4. Step 4: Simplify right side
    1,359,459.40x = 1,630,166,546,134.14
  5. Step 5: Solve for x
    x = 1,630,166,546,134.14/1,359,459.40
  6. Step 6: Final answer
    x = 1,199,128.53

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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.