Finding the Fourth Proportional to 1,327,668.84, 1,831,908.18 and 776,278.44
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Solution
The fourth proportional to 1,327,668.84, 1,831,908.18 and 776,278.44 is: 1,071,103.56
Step by Step Solution
- Step 1: Write the proportion equation
1,327,668.84 : 1,831,908.18 = 776,278.44 : x - Step 2: Convert to fraction form
1,327,668.84/1,831,908.18 = 776,278.44/x - Step 3: Cross multiply
1,327,668.84x = 1,831,908.18 × 776,278.44 - Step 4: Simplify right side
1,327,668.84x = 1,422,070,824,193.64 - Step 5: Solve for x
x = 1,422,070,824,193.64/1,327,668.84 - Step 6: Final answer
x = 1,071,103.56
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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.