Finding the Fourth Proportional to 1,310,701.17, 1,808,652.39 and 729,880.44
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Solution
The fourth proportional to 1,310,701.17, 1,808,652.39 and 729,880.44 is: 1,007,170.84
Step by Step Solution
- Step 1: Write the proportion equation
1,310,701.17 : 1,808,652.39 = 729,880.44 : x - Step 2: Convert to fraction form
1,310,701.17/1,808,652.39 = 729,880.44/x - Step 3: Cross multiply
1,310,701.17x = 1,808,652.39 × 729,880.44 - Step 4: Simplify right side
1,310,701.17x = 1,320,100,002,220.25 - Step 5: Solve for x
x = 1,320,100,002,220.25/1,310,701.17 - Step 6: Final answer
x = 1,007,170.84
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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.