Finding the Fourth Proportional to 1,342,328.14, 1,852,413.06 and 738,716.14
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Solution
The fourth proportional to 1,342,328.14, 1,852,413.06 and 738,716.14 is: 1,019,428.40
Step by Step Solution
- Step 1: Write the proportion equation
1,342,328.14 : 1,852,413.06 = 738,716.14 : x - Step 2: Convert to fraction form
1,342,328.14/1,852,413.06 = 738,716.14/x - Step 3: Cross multiply
1,342,328.14x = 1,852,413.06 × 738,716.14 - Step 4: Simplify right side
1,342,328.14x = 1,368,407,425,368.79 - Step 5: Solve for x
x = 1,368,407,425,368.79/1,342,328.14 - Step 6: Final answer
x = 1,019,428.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.