Finding the Fourth Proportional to 1,224,302.76, 1,836,765.40 and 719,290.44
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Solution
The fourth proportional to 1,224,302.76, 1,836,765.40 and 719,290.44 is: 1,079,118.53
Step by Step Solution
- Step 1: Write the proportion equation
1,224,302.76 : 1,836,765.40 = 719,290.44 : x - Step 2: Convert to fraction form
1,224,302.76/1,836,765.40 = 719,290.44/x - Step 3: Cross multiply
1,224,302.76x = 1,836,765.40 × 719,290.44 - Step 4: Simplify right side
1,224,302.76x = 1,321,167,792,742.78 - Step 5: Solve for x
x = 1,321,167,792,742.78/1,224,302.76 - Step 6: Final answer
x = 1,079,118.53
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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.