Finding the Fourth Proportional to 1,268,413.23, 1,902,417.30 and 369,644.75
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Solution
The fourth proportional to 1,268,413.23, 1,902,417.30 and 369,644.75 is: 554,408.09
Step by Step Solution
- Step 1: Write the proportion equation
1,268,413.23 : 1,902,417.30 = 369,644.75 : x - Step 2: Convert to fraction form
1,268,413.23/1,902,417.30 = 369,644.75/x - Step 3: Cross multiply
1,268,413.23x = 1,902,417.30 × 369,644.75 - Step 4: Simplify right side
1,268,413.23x = 703,218,557,742.09 - Step 5: Solve for x
x = 703,218,557,742.09/1,268,413.23 - Step 6: Final answer
x = 554,408.09
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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.