Finding the Fourth Proportional to 1,102,413.24, 1,521,070.38 and 625,485.24
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Solution
The fourth proportional to 1,102,413.24, 1,521,070.38 and 625,485.24 is: 863,022.17
Step by Step Solution
- Step 1: Write the proportion equation
1,102,413.24 : 1,521,070.38 = 625,485.24 : x - Step 2: Convert to fraction form
1,102,413.24/1,521,070.38 = 625,485.24/x - Step 3: Cross multiply
1,102,413.24x = 1,521,070.38 × 625,485.24 - Step 4: Simplify right side
1,102,413.24x = 951,407,071,691.19 - Step 5: Solve for x
x = 951,407,071,691.19/1,102,413.24 - Step 6: Final answer
x = 863,022.17
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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.