Home / 1,485,505.62-2,229,086.35-802,378.67

Finding the Fourth Proportional to 1,485,505.62, 2,229,086.35 and 802,378.67

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Solution

The fourth proportional to 1,485,505.62, 2,229,086.35 and 802,378.67 is: 1,204,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,505.62 : 2,229,086.35 = 802,378.67 : x
  2. Step 2: Convert to fraction form
    1,485,505.62/2,229,086.35 = 802,378.67/x
  3. Step 3: Cross multiply
    1,485,505.62x = 2,229,086.35 × 802,378.67
  4. Step 4: Simplify right side
    1,485,505.62x = 1,788,571,344,394.92
  5. Step 5: Solve for x
    x = 1,788,571,344,394.92/1,485,505.62
  6. Step 6: Final answer
    x = 1,204,015.20

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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.