Home / 1,092,783.72-1,638,240.48-419,348.28

Finding the Fourth Proportional to 1,092,783.72, 1,638,240.48 and 419,348.28

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Solution

The fourth proportional to 1,092,783.72, 1,638,240.48 and 419,348.28 is: 628,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,783.72 : 1,638,240.48 = 419,348.28 : x
  2. Step 2: Convert to fraction form
    1,092,783.72/1,638,240.48 = 419,348.28/x
  3. Step 3: Cross multiply
    1,092,783.72x = 1,638,240.48 × 419,348.28
  4. Step 4: Simplify right side
    1,092,783.72x = 686,993,327,514.37
  5. Step 5: Solve for x
    x = 686,993,327,514.37/1,092,783.72
  6. Step 6: Final answer
    x = 628,663.58

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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.