Finding the Fourth Proportional to 1,248,942.22, 1,723,581.98 and 765,413.94
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Solution
The fourth proportional to 1,248,942.22, 1,723,581.98 and 765,413.94 is: 1,056,296.80
Step by Step Solution
- Step 1: Write the proportion equation
1,248,942.22 : 1,723,581.98 = 765,413.94 : x - Step 2: Convert to fraction form
1,248,942.22/1,723,581.98 = 765,413.94/x - Step 3: Cross multiply
1,248,942.22x = 1,723,581.98 × 765,413.94 - Step 4: Simplify right side
1,248,942.22x = 1,319,253,674,224.80 - Step 5: Solve for x
x = 1,319,253,674,224.80/1,248,942.22 - Step 6: Final answer
x = 1,056,296.80
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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.