Home / 1,100,495.32-1,518,124.62-718,745.56

Finding the Fourth Proportional to 1,100,495.32, 1,518,124.62 and 718,745.56

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Solution

The fourth proportional to 1,100,495.32, 1,518,124.62 and 718,745.56 is: 991,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,495.32 : 1,518,124.62 = 718,745.56 : x
  2. Step 2: Convert to fraction form
    1,100,495.32/1,518,124.62 = 718,745.56/x
  3. Step 3: Cross multiply
    1,100,495.32x = 1,518,124.62 × 718,745.56
  4. Step 4: Simplify right side
    1,100,495.32x = 1,091,145,330,151.69
  5. Step 5: Solve for x
    x = 1,091,145,330,151.69/1,100,495.32
  6. Step 6: Final answer
    x = 991,503.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.