Finding the Fourth Proportional to 1,330,242.22, 1,835,734.19 and 718,395.02
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Solution
The fourth proportional to 1,330,242.22, 1,835,734.19 and 718,395.02 is: 991,385.09
Step by Step Solution
- Step 1: Write the proportion equation
1,330,242.22 : 1,835,734.19 = 718,395.02 : x - Step 2: Convert to fraction form
1,330,242.22/1,835,734.19 = 718,395.02/x - Step 3: Cross multiply
1,330,242.22x = 1,835,734.19 × 718,395.02 - Step 4: Simplify right side
1,330,242.22x = 1,318,782,304,579.10 - Step 5: Solve for x
x = 1,318,782,304,579.10/1,330,242.22 - Step 6: Final answer
x = 991,385.09
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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.