Finding the Fourth Proportional to 1,252,838.44, 1,728,918.16 and 679,878.61
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Solution
The fourth proportional to 1,252,838.44, 1,728,918.16 and 679,878.61 is: 938,233.09
Step by Step Solution
- Step 1: Write the proportion equation
1,252,838.44 : 1,728,918.16 = 679,878.61 : x - Step 2: Convert to fraction form
1,252,838.44/1,728,918.16 = 679,878.61/x - Step 3: Cross multiply
1,252,838.44x = 1,728,918.16 × 679,878.61 - Step 4: Simplify right side
1,252,838.44x = 1,175,454,478,171.62 - Step 5: Solve for x
x = 1,175,454,478,171.62/1,252,838.44 - Step 6: Final answer
x = 938,233.09
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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.