Home / 3,054,776.78-4,582,163.05-780,219.63

Finding the Fourth Proportional to 3,054,776.78, 4,582,163.05 and 780,219.63

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Solution

The fourth proportional to 3,054,776.78, 4,582,163.05 and 780,219.63 is: 1,170,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,776.78 : 4,582,163.05 = 780,219.63 : x
  2. Step 2: Convert to fraction form
    3,054,776.78/4,582,163.05 = 780,219.63/x
  3. Step 3: Cross multiply
    3,054,776.78x = 4,582,163.05 × 780,219.63
  4. Step 4: Simplify right side
    3,054,776.78x = 3,575,093,559,470.67
  5. Step 5: Solve for x
    x = 3,575,093,559,470.67/3,054,776.78
  6. Step 6: Final answer
    x = 1,170,328.90

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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.