Finding the Fourth Proportional to 1,285,413.88, 1,772,949.99 and 849,326.08
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Solution
The fourth proportional to 1,285,413.88, 1,772,949.99 and 849,326.08 is: 1,171,461.34
Step by Step Solution
- Step 1: Write the proportion equation
1,285,413.88 : 1,772,949.99 = 849,326.08 : x - Step 2: Convert to fraction form
1,285,413.88/1,772,949.99 = 849,326.08/x - Step 3: Cross multiply
1,285,413.88x = 1,772,949.99 × 849,326.08 - Step 4: Simplify right side
1,285,413.88x = 1,505,812,665,042.74 - Step 5: Solve for x
x = 1,505,812,665,042.74/1,285,413.88 - Step 6: Final answer
x = 1,171,461.34
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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.