Finding the Fourth Proportional to 1,305,138.13, 1,801,063.51 and 724,327.54
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Solution
The fourth proportional to 1,305,138.13, 1,801,063.51 and 724,327.54 is: 999,556.96
Step by Step Solution
- Step 1: Write the proportion equation
1,305,138.13 : 1,801,063.51 = 724,327.54 : x - Step 2: Convert to fraction form
1,305,138.13/1,801,063.51 = 724,327.54/x - Step 3: Cross multiply
1,305,138.13x = 1,801,063.51 × 724,327.54 - Step 4: Simplify right side
1,305,138.13x = 1,304,559,895,268.59 - Step 5: Solve for x
x = 1,304,559,895,268.59/1,305,138.13 - Step 6: Final answer
x = 999,556.96
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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.