Home / 1,515,462.75-2,273,211.41-518,268.51

Finding the Fourth Proportional to 1,515,462.75, 2,273,211.41 and 518,268.51

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Solution

The fourth proportional to 1,515,462.75, 2,273,211.41 and 518,268.51 is: 777,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,462.75 : 2,273,211.41 = 518,268.51 : x
  2. Step 2: Convert to fraction form
    1,515,462.75/2,273,211.41 = 518,268.51/x
  3. Step 3: Cross multiply
    1,515,462.75x = 2,273,211.41 × 518,268.51
  4. Step 4: Simplify right side
    1,515,462.75x = 1,178,133,887,784.36
  5. Step 5: Solve for x
    x = 1,178,133,887,784.36/1,515,462.75
  6. Step 6: Final answer
    x = 777,408.67

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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.