Finding the Fourth Proportional to 1,276,372.94, 1,761,394.66 and 703,413.11
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Solution
The fourth proportional to 1,276,372.94, 1,761,394.66 and 703,413.11 is: 970,710.10
Step by Step Solution
- Step 1: Write the proportion equation
1,276,372.94 : 1,761,394.66 = 703,413.11 : x - Step 2: Convert to fraction form
1,276,372.94/1,761,394.66 = 703,413.11/x - Step 3: Cross multiply
1,276,372.94x = 1,761,394.66 × 703,413.11 - Step 4: Simplify right side
1,276,372.94x = 1,238,988,102,329.65 - Step 5: Solve for x
x = 1,238,988,102,329.65/1,276,372.94 - Step 6: Final answer
x = 970,710.10
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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.