Home / 1,219,064.25-1,828,450.78-320,575.97

Finding the Fourth Proportional to 1,219,064.25, 1,828,450.78 and 320,575.97

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Solution

The fourth proportional to 1,219,064.25, 1,828,450.78 and 320,575.97 is: 480,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,064.25 : 1,828,450.78 = 320,575.97 : x
  2. Step 2: Convert to fraction form
    1,219,064.25/1,828,450.78 = 320,575.97/x
  3. Step 3: Cross multiply
    1,219,064.25x = 1,828,450.78 × 320,575.97
  4. Step 4: Simplify right side
    1,219,064.25x = 586,157,386,165.44
  5. Step 5: Solve for x
    x = 586,157,386,165.44/1,219,064.25
  6. Step 6: Final answer
    x = 480,825.67

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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.