Finding the Fourth Proportional to 1,252,755.54, 1,728,807.24 and 679,795.70
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Solution
The fourth proportional to 1,252,755.54, 1,728,807.24 and 679,795.70 is: 938,120.56
Step by Step Solution
- Step 1: Write the proportion equation
1,252,755.54 : 1,728,807.24 = 679,795.70 : x - Step 2: Convert to fraction form
1,252,755.54/1,728,807.24 = 679,795.70/x - Step 3: Cross multiply
1,252,755.54x = 1,728,807.24 × 679,795.70 - Step 4: Simplify right side
1,252,755.54x = 1,175,235,727,880.87 - Step 5: Solve for x
x = 1,175,235,727,880.87/1,252,755.54 - Step 6: Final answer
x = 938,120.56
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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.