Finding the Fourth Proportional to 1,070,194.78, 1,476,660.82 and 634,531.62
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Solution
The fourth proportional to 1,070,194.78, 1,476,660.82 and 634,531.62 is: 875,530.32
Step by Step Solution
- Step 1: Write the proportion equation
1,070,194.78 : 1,476,660.82 = 634,531.62 : x - Step 2: Convert to fraction form
1,070,194.78/1,476,660.82 = 634,531.62/x - Step 3: Cross multiply
1,070,194.78x = 1,476,660.82 × 634,531.62 - Step 4: Simplify right side
1,070,194.78x = 936,987,980,718.80 - Step 5: Solve for x
x = 936,987,980,718.80/1,070,194.78 - Step 6: Final answer
x = 875,530.32
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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.