Finding the Fourth Proportional to 1,026,992.06, 1,540,628.24 and 427,813.09
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Solution
The fourth proportional to 1,026,992.06, 1,540,628.24 and 427,813.09 is: 641,778.02
Step by Step Solution
- Step 1: Write the proportion equation
1,026,992.06 : 1,540,628.24 = 427,813.09 : x - Step 2: Convert to fraction form
1,026,992.06/1,540,628.24 = 427,813.09/x - Step 3: Cross multiply
1,026,992.06x = 1,540,628.24 × 427,813.09 - Step 4: Simplify right side
1,026,992.06x = 659,100,930,571.06 - Step 5: Solve for x
x = 659,100,930,571.06/1,026,992.06 - Step 6: Final answer
x = 641,778.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.