Home / 1,448,403.06-2,172,604.61-772,436.44

Finding the Fourth Proportional to 1,448,403.06, 2,172,604.61 and 772,436.44

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Solution

The fourth proportional to 1,448,403.06, 2,172,604.61 and 772,436.44 is: 1,158,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,403.06 : 2,172,604.61 = 772,436.44 : x
  2. Step 2: Convert to fraction form
    1,448,403.06/2,172,604.61 = 772,436.44/x
  3. Step 3: Cross multiply
    1,448,403.06x = 2,172,604.61 × 772,436.44
  4. Step 4: Simplify right side
    1,448,403.06x = 1,678,198,970,475.99
  5. Step 5: Solve for x
    x = 1,678,198,970,475.99/1,448,403.06
  6. Step 6: Final answer
    x = 1,158,654.67

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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.