Home / 1,104,120.48-1,656,530.80-394,133.28

Finding the Fourth Proportional to 1,104,120.48, 1,656,530.80 and 394,133.28

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Solution

The fourth proportional to 1,104,120.48, 1,656,530.80 and 394,133.28 is: 591,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,120.48 : 1,656,530.80 = 394,133.28 : x
  2. Step 2: Convert to fraction form
    1,104,120.48/1,656,530.80 = 394,133.28/x
  3. Step 3: Cross multiply
    1,104,120.48x = 1,656,530.80 × 394,133.28
  4. Step 4: Simplify right side
    1,104,120.48x = 652,893,917,625.02
  5. Step 5: Solve for x
    x = 652,893,917,625.02/1,104,120.48
  6. Step 6: Final answer
    x = 591,324.89

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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.