Finding the Fourth Proportional to 1,315,413.26, 1,973,174.76 and 416,835.09
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Solution
The fourth proportional to 1,315,413.26, 1,973,174.76 and 416,835.09 is: 625,270.02
Step by Step Solution
- Step 1: Write the proportion equation
1,315,413.26 : 1,973,174.76 = 416,835.09 : x - Step 2: Convert to fraction form
1,315,413.26/1,973,174.76 = 416,835.09/x - Step 3: Cross multiply
1,315,413.26x = 1,973,174.76 × 416,835.09 - Step 4: Simplify right side
1,315,413.26x = 822,488,478,670.33 - Step 5: Solve for x
x = 822,488,478,670.33/1,315,413.26 - Step 6: Final answer
x = 625,270.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.