Finding the Fourth Proportional to 1,293,968.52, 1,785,179.99 and 777,847.97
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Solution
The fourth proportional to 1,293,968.52, 1,785,179.99 and 777,847.97 is: 1,073,131.69
Step by Step Solution
- Step 1: Write the proportion equation
1,293,968.52 : 1,785,179.99 = 777,847.97 : x - Step 2: Convert to fraction form
1,293,968.52/1,785,179.99 = 777,847.97/x - Step 3: Cross multiply
1,293,968.52x = 1,785,179.99 × 777,847.97 - Step 4: Simplify right side
1,293,968.52x = 1,388,598,618,490.98 - Step 5: Solve for x
x = 1,388,598,618,490.98/1,293,968.52 - Step 6: Final answer
x = 1,073,131.69
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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.