Home / 1,100,495.57-1,518,124.96-718,745.81

Finding the Fourth Proportional to 1,100,495.57, 1,518,124.96 and 718,745.81

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Solution

The fourth proportional to 1,100,495.57, 1,518,124.96 and 718,745.81 is: 991,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,495.57 : 1,518,124.96 = 718,745.81 : x
  2. Step 2: Convert to fraction form
    1,100,495.57/1,518,124.96 = 718,745.81/x
  3. Step 3: Cross multiply
    1,100,495.57x = 1,518,124.96 × 718,745.81
  4. Step 4: Simplify right side
    1,100,495.57x = 1,091,145,954,056.42
  5. Step 5: Solve for x
    x = 1,091,145,954,056.42/1,100,495.57
  6. Step 6: Final answer
    x = 991,504.18

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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.