Home / 1,087,912.48-1,631,305.62-488,357.44

Finding the Fourth Proportional to 1,087,912.48, 1,631,305.62 and 488,357.44

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Solution

The fourth proportional to 1,087,912.48, 1,631,305.62 and 488,357.44 is: 732,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,912.48 : 1,631,305.62 = 488,357.44 : x
  2. Step 2: Convert to fraction form
    1,087,912.48/1,631,305.62 = 488,357.44/x
  3. Step 3: Cross multiply
    1,087,912.48x = 1,631,305.62 × 488,357.44
  4. Step 4: Simplify right side
    1,087,912.48x = 796,660,236,440.81
  5. Step 5: Solve for x
    x = 796,660,236,440.81/1,087,912.48
  6. Step 6: Final answer
    x = 732,283.39

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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.