Finding the Fourth Proportional to 1,057,286, 1,458,390.84 and 627,261.68
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Solution
The fourth proportional to 1,057,286, 1,458,390.84 and 627,261.68 is: 865,227.28
Step by Step Solution
- Step 1: Write the proportion equation
1,057,286 : 1,458,390.84 = 627,261.68 : x - Step 2: Convert to fraction form
1,057,286/1,458,390.84 = 627,261.68/x - Step 3: Cross multiply
1,057,286x = 1,458,390.84 × 627,261.68 - Step 4: Simplify right side
1,057,286x = 914,792,688,395.01 - Step 5: Solve for x
x = 914,792,688,395.01/1,057,286 - Step 6: Final answer
x = 865,227.28
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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.