Finding the Fourth Proportional to 1,393,794.58, 1,923,203.37 and 820,948.81
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Solution
The fourth proportional to 1,393,794.58, 1,923,203.37 and 820,948.81 is: 1,132,772.03
Step by Step Solution
- Step 1: Write the proportion equation
1,393,794.58 : 1,923,203.37 = 820,948.81 : x - Step 2: Convert to fraction form
1,393,794.58/1,923,203.37 = 820,948.81/x - Step 3: Cross multiply
1,393,794.58x = 1,923,203.37 × 820,948.81 - Step 4: Simplify right side
1,393,794.58x = 1,578,851,517,989.49 - Step 5: Solve for x
x = 1,578,851,517,989.49/1,393,794.58 - Step 6: Final answer
x = 1,132,772.03
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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.