Finding the Fourth Proportional to 1,226,982.74, 1,841,009.92 and 428,837.09
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Solution
The fourth proportional to 1,226,982.74, 1,841,009.92 and 428,837.09 is: 643,442.90
Step by Step Solution
- Step 1: Write the proportion equation
1,226,982.74 : 1,841,009.92 = 428,837.09 : x - Step 2: Convert to fraction form
1,226,982.74/1,841,009.92 = 428,837.09/x - Step 3: Cross multiply
1,226,982.74x = 1,841,009.92 × 428,837.09 - Step 4: Simplify right side
1,226,982.74x = 789,493,326,476.79 - Step 5: Solve for x
x = 789,493,326,476.79/1,226,982.74 - Step 6: Final answer
x = 643,442.90
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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.