Finding the Fourth Proportional to 1,252,840.44, 1,728,920.92 and 679,880.62
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Solution
The fourth proportional to 1,252,840.44, 1,728,920.92 and 679,880.62 is: 938,235.86
Step by Step Solution
- Step 1: Write the proportion equation
1,252,840.44 : 1,728,920.92 = 679,880.62 : x - Step 2: Convert to fraction form
1,252,840.44/1,728,920.92 = 679,880.62/x - Step 3: Cross multiply
1,252,840.44x = 1,728,920.92 × 679,880.62 - Step 4: Simplify right side
1,252,840.44x = 1,175,459,827,020.57 - Step 5: Solve for x
x = 1,175,459,827,020.57/1,252,840.44 - Step 6: Final answer
x = 938,235.86
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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.