Finding the Fourth Proportional to 1,314,450.70, 1,971,961.26 and 403,636.28
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Solution
The fourth proportional to 1,314,450.70, 1,971,961.26 and 403,636.28 is: 605,542.00
Step by Step Solution
- Step 1: Write the proportion equation
1,314,450.70 : 1,971,961.26 = 403,636.28 : x - Step 2: Convert to fraction form
1,314,450.70/1,971,961.26 = 403,636.28/x - Step 3: Cross multiply
1,314,450.70x = 1,971,961.26 × 403,636.28 - Step 4: Simplify right side
1,314,450.70x = 795,955,107,290.51 - Step 5: Solve for x
x = 795,955,107,290.51/1,314,450.70 - Step 6: Final answer
x = 605,542.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.