Finding the Fourth Proportional to 1,400,413.62, 1,932,754.95 and 788,685.97
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Solution
The fourth proportional to 1,400,413.62, 1,932,754.95 and 788,685.97 is: 1,088,490.35
Step by Step Solution
- Step 1: Write the proportion equation
1,400,413.62 : 1,932,754.95 = 788,685.97 : x - Step 2: Convert to fraction form
1,400,413.62/1,932,754.95 = 788,685.97/x - Step 3: Cross multiply
1,400,413.62x = 1,932,754.95 × 788,685.97 - Step 4: Simplify right side
1,400,413.62x = 1,524,336,712,513.05 - Step 5: Solve for x
x = 1,524,336,712,513.05/1,400,413.62 - Step 6: Final answer
x = 1,088,490.35
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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.