Finding the Fourth Proportional to 1,345,999.50, 1,857,413.70 and 802,122.84
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Solution
The fourth proportional to 1,345,999.50, 1,857,413.70 and 802,122.84 is: 1,106,890.42
Step by Step Solution
- Step 1: Write the proportion equation
1,345,999.50 : 1,857,413.70 = 802,122.84 : x - Step 2: Convert to fraction form
1,345,999.50/1,857,413.70 = 802,122.84/x - Step 3: Cross multiply
1,345,999.50x = 1,857,413.70 × 802,122.84 - Step 4: Simplify right side
1,345,999.50x = 1,489,873,952,098.91 - Step 5: Solve for x
x = 1,489,873,952,098.91/1,345,999.50 - Step 6: Final answer
x = 1,106,890.42
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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.