Home / 1,018,608.22-1,527,912.61-378,828.36

Finding the Fourth Proportional to 1,018,608.22, 1,527,912.61 and 378,828.36

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Solution

The fourth proportional to 1,018,608.22, 1,527,912.61 and 378,828.36 is: 568,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,608.22 : 1,527,912.61 = 378,828.36 : x
  2. Step 2: Convert to fraction form
    1,018,608.22/1,527,912.61 = 378,828.36/x
  3. Step 3: Cross multiply
    1,018,608.22x = 1,527,912.61 × 378,828.36
  4. Step 4: Simplify right side
    1,018,608.22x = 578,816,628,269.62
  5. Step 5: Solve for x
    x = 578,816,628,269.62/1,018,608.22
  6. Step 6: Final answer
    x = 568,242.64

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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.