Home / 1,320,100.48-1,979,833.48-609,445.92

Finding the Fourth Proportional to 1,320,100.48, 1,979,833.48 and 609,445.92

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Solution

The fourth proportional to 1,320,100.48, 1,979,833.48 and 609,445.92 is: 914,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,100.48 : 1,979,833.48 = 609,445.92 : x
  2. Step 2: Convert to fraction form
    1,320,100.48/1,979,833.48 = 609,445.92/x
  3. Step 3: Cross multiply
    1,320,100.48x = 1,979,833.48 × 609,445.92
  4. Step 4: Simplify right side
    1,320,100.48x = 1,206,601,436,665.40
  5. Step 5: Solve for x
    x = 1,206,601,436,665.40/1,320,100.48
  6. Step 6: Final answer
    x = 914,022.42

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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.