Finding the Fourth Proportional to 1,308,132.41, 1,805,372.36 and 727,413.44
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Solution
The fourth proportional to 1,308,132.41, 1,805,372.36 and 727,413.44 is: 1,003,913.75
Step by Step Solution
- Step 1: Write the proportion equation
1,308,132.41 : 1,805,372.36 = 727,413.44 : x - Step 2: Convert to fraction form
1,308,132.41/1,805,372.36 = 727,413.44/x - Step 3: Cross multiply
1,308,132.41x = 1,805,372.36 × 727,413.44 - Step 4: Simplify right side
1,308,132.41x = 1,313,252,106,204.59 - Step 5: Solve for x
x = 1,313,252,106,204.59/1,308,132.41 - Step 6: Final answer
x = 1,003,913.75
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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.