Finding the Fourth Proportional to 1,252,413.95, 1,728,331.88 and 679,453.97
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Solution
The fourth proportional to 1,252,413.95, 1,728,331.88 and 679,453.97 is: 937,646.81
Step by Step Solution
- Step 1: Write the proportion equation
1,252,413.95 : 1,728,331.88 = 679,453.97 : x - Step 2: Convert to fraction form
1,252,413.95/1,728,331.88 = 679,453.97/x - Step 3: Cross multiply
1,252,413.95x = 1,728,331.88 × 679,453.97 - Step 4: Simplify right side
1,252,413.95x = 1,174,321,945,304.63 - Step 5: Solve for x
x = 1,174,321,945,304.63/1,252,413.95 - Step 6: Final answer
x = 937,646.81
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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.