Finding the Fourth Proportional to 1,265,413.52, 1,746,304.92 and 775,374.53
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Solution
The fourth proportional to 1,265,413.52, 1,746,304.92 and 775,374.53 is: 1,070,037.84
Step by Step Solution
- Step 1: Write the proportion equation
1,265,413.52 : 1,746,304.92 = 775,374.53 : x - Step 2: Convert to fraction form
1,265,413.52/1,746,304.92 = 775,374.53/x - Step 3: Cross multiply
1,265,413.52x = 1,746,304.92 × 775,374.53 - Step 4: Simplify right side
1,265,413.52x = 1,354,040,347,850.16 - Step 5: Solve for x
x = 1,354,040,347,850.16/1,265,413.52 - Step 6: Final answer
x = 1,070,037.84
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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.