Finding the Fourth Proportional to 1,351,556.41, 1,865,152.79 and 731,361.58
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Solution
The fourth proportional to 1,351,556.41, 1,865,152.79 and 731,361.58 is: 1,009,281.66
Step by Step Solution
- Step 1: Write the proportion equation
1,351,556.41 : 1,865,152.79 = 731,361.58 : x - Step 2: Convert to fraction form
1,351,556.41/1,865,152.79 = 731,361.58/x - Step 3: Cross multiply
1,351,556.41x = 1,865,152.79 × 731,361.58 - Step 4: Simplify right side
1,351,556.41x = 1,364,101,091,435.81 - Step 5: Solve for x
x = 1,364,101,091,435.81/1,351,556.41 - Step 6: Final answer
x = 1,009,281.66
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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.