Finding the Fourth Proportional to 1,293,485.77, 1,939,755.62 and 494,372.17
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Solution
The fourth proportional to 1,293,485.77, 1,939,755.62 and 494,372.17 is: 741,377.46
Step by Step Solution
- Step 1: Write the proportion equation
1,293,485.77 : 1,939,755.62 = 494,372.17 : x - Step 2: Convert to fraction form
1,293,485.77/1,939,755.62 = 494,372.17/x - Step 3: Cross multiply
1,293,485.77x = 1,939,755.62 × 494,372.17 - Step 4: Simplify right side
1,293,485.77x = 958,961,192,657.24 - Step 5: Solve for x
x = 958,961,192,657.24/1,293,485.77 - Step 6: Final answer
x = 741,377.46
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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.