Home / 1,054,742.81-1,582,188.03-522,120.83

Finding the Fourth Proportional to 1,054,742.81, 1,582,188.03 and 522,120.83

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Solution

The fourth proportional to 1,054,742.81, 1,582,188.03 and 522,120.83 is: 783,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,742.81 : 1,582,188.03 = 522,120.83 : x
  2. Step 2: Convert to fraction form
    1,054,742.81/1,582,188.03 = 522,120.83/x
  3. Step 3: Cross multiply
    1,054,742.81x = 1,582,188.03 × 522,120.83
  4. Step 4: Simplify right side
    1,054,742.81x = 826,093,324,829.06
  5. Step 5: Solve for x
    x = 826,093,324,829.06/1,054,742.81
  6. Step 6: Final answer
    x = 783,217.78

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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.