Home / 1,388,453.60-2,082,992.96-489,959.52

Finding the Fourth Proportional to 1,388,453.60, 2,082,992.96 and 489,959.52

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Solution

The fourth proportional to 1,388,453.60, 2,082,992.96 and 489,959.52 is: 735,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,453.60 : 2,082,992.96 = 489,959.52 : x
  2. Step 2: Convert to fraction form
    1,388,453.60/2,082,992.96 = 489,959.52/x
  3. Step 3: Cross multiply
    1,388,453.60x = 2,082,992.96 × 489,959.52
  4. Step 4: Simplify right side
    1,388,453.60x = 1,020,582,230,844.98
  5. Step 5: Solve for x
    x = 1,020,582,230,844.98/1,388,453.60
  6. Step 6: Final answer
    x = 735,049.58

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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.