Finding the Fourth Proportional to 1,347,413.70, 2,021,120.55 and 808,536.90
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Solution
The fourth proportional to 1,347,413.70, 2,021,120.55 and 808,536.90 is: 1,212,805.35
Step by Step Solution
- Step 1: Write the proportion equation
1,347,413.70 : 2,021,120.55 = 808,536.90 : x - Step 2: Convert to fraction form
1,347,413.70/2,021,120.55 = 808,536.90/x - Step 3: Cross multiply
1,347,413.70x = 2,021,120.55 × 808,536.90 - Step 4: Simplify right side
1,347,413.70x = 1,634,150,544,023.30 - Step 5: Solve for x
x = 1,634,150,544,023.30/1,347,413.70 - Step 6: Final answer
x = 1,212,805.35
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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.