Home / 865,163.40-1,297,744.80-630,002.56

Finding the Fourth Proportional to 865,163.40, 1,297,744.80 and 630,002.56

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Solution

The fourth proportional to 865,163.40, 1,297,744.80 and 630,002.56 is: 945,003.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,163.40 : 1,297,744.80 = 630,002.56 : x
  2. Step 2: Convert to fraction form
    865,163.40/1,297,744.80 = 630,002.56/x
  3. Step 3: Cross multiply
    865,163.40x = 1,297,744.80 × 630,002.56
  4. Step 4: Simplify right side
    865,163.40x = 817,582,546,226.69
  5. Step 5: Solve for x
    x = 817,582,546,226.69/865,163.40
  6. Step 6: Final answer
    x = 945,003.62

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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.