Home / 1,561,879.79-2,342,228.39-851,521.13

Finding the Fourth Proportional to 1,561,879.79, 2,342,228.39 and 851,521.13

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Solution

The fourth proportional to 1,561,879.79, 2,342,228.39 and 851,521.13 is: 1,276,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,879.79 : 2,342,228.39 = 851,521.13 : x
  2. Step 2: Convert to fraction form
    1,561,879.79/2,342,228.39 = 851,521.13/x
  3. Step 3: Cross multiply
    1,561,879.79x = 2,342,228.39 × 851,521.13
  4. Step 4: Simplify right side
    1,561,879.79x = 1,994,456,970,162.05
  5. Step 5: Solve for x
    x = 1,994,456,970,162.05/1,561,879.79
  6. Step 6: Final answer
    x = 1,276,959.33

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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.