Home / 1,151,709.78-1,727,564.32-618,497.31

Finding the Fourth Proportional to 1,151,709.78, 1,727,564.32 and 618,497.31

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Solution

The fourth proportional to 1,151,709.78, 1,727,564.32 and 618,497.31 is: 927,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,709.78 : 1,727,564.32 = 618,497.31 : x
  2. Step 2: Convert to fraction form
    1,151,709.78/1,727,564.32 = 618,497.31/x
  3. Step 3: Cross multiply
    1,151,709.78x = 1,727,564.32 × 618,497.31
  4. Step 4: Simplify right side
    1,151,709.78x = 1,068,493,884,771.98
  5. Step 5: Solve for x
    x = 1,068,493,884,771.98/1,151,709.78
  6. Step 6: Final answer
    x = 927,745.78

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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.