Finding the Fourth Proportional to 1,205,776.67, 1,663,928.73 and 682,476.08
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Solution
The fourth proportional to 1,205,776.67, 1,663,928.73 and 682,476.08 is: 941,792.61
Step by Step Solution
- Step 1: Write the proportion equation
1,205,776.67 : 1,663,928.73 = 682,476.08 : x - Step 2: Convert to fraction form
1,205,776.67/1,663,928.73 = 682,476.08/x - Step 3: Cross multiply
1,205,776.67x = 1,663,928.73 × 682,476.08 - Step 4: Simplify right side
1,205,776.67x = 1,135,591,548,730.13 - Step 5: Solve for x
x = 1,135,591,548,730.13/1,205,776.67 - Step 6: Final answer
x = 941,792.61
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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.