Finding the Fourth Proportional to 1,058,938.26, 1,461,459.15 and 629,218.68
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Solution
The fourth proportional to 1,058,938.26, 1,461,459.15 and 629,218.68 is: 868,395.67
Step by Step Solution
- Step 1: Write the proportion equation
1,058,938.26 : 1,461,459.15 = 629,218.68 : x - Step 2: Convert to fraction form
1,058,938.26/1,461,459.15 = 629,218.68/x - Step 3: Cross multiply
1,058,938.26x = 1,461,459.15 × 629,218.68 - Step 4: Simplify right side
1,058,938.26x = 919,577,397,236.92 - Step 5: Solve for x
x = 919,577,397,236.92/1,058,938.26 - Step 6: Final answer
x = 868,395.67
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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.