Home / 1,305,790.28-1,958,699.77-394,982

Finding the Fourth Proportional to 1,305,790.28, 1,958,699.77 and 394,982

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Solution

The fourth proportional to 1,305,790.28, 1,958,699.77 and 394,982 is: 592,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,790.28 : 1,958,699.77 = 394,982 : x
  2. Step 2: Convert to fraction form
    1,305,790.28/1,958,699.77 = 394,982/x
  3. Step 3: Cross multiply
    1,305,790.28x = 1,958,699.77 × 394,982
  4. Step 4: Simplify right side
    1,305,790.28x = 773,651,150,579.23
  5. Step 5: Solve for x
    x = 773,651,150,579.23/1,305,790.28
  6. Step 6: Final answer
    x = 592,477.34

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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.