Home / 1,026,653.04-1,538,945.56-427,945.60

Finding the Fourth Proportional to 1,026,653.04, 1,538,945.56 and 427,945.60

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Solution

The fourth proportional to 1,026,653.04, 1,538,945.56 and 427,945.60 is: 641,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,653.04 : 1,538,945.56 = 427,945.60 : x
  2. Step 2: Convert to fraction form
    1,026,653.04/1,538,945.56 = 427,945.60/x
  3. Step 3: Cross multiply
    1,026,653.04x = 1,538,945.56 × 427,945.60
  4. Step 4: Simplify right side
    1,026,653.04x = 658,584,981,041.54
  5. Step 5: Solve for x
    x = 658,584,981,041.54/1,026,653.04
  6. Step 6: Final answer
    x = 641,487.39

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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.