Finding the Fourth Proportional to 1,043,680.97, 1,441,157.45 and 785,109.74
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Solution
The fourth proportional to 1,043,680.97, 1,441,157.45 and 785,109.74 is: 1,084,111.69
Step by Step Solution
- Step 1: Write the proportion equation
1,043,680.97 : 1,441,157.45 = 785,109.74 : x - Step 2: Convert to fraction form
1,043,680.97/1,441,157.45 = 785,109.74/x - Step 3: Cross multiply
1,043,680.97x = 1,441,157.45 × 785,109.74 - Step 4: Simplify right side
1,043,680.97x = 1,131,466,739,737.23 - Step 5: Solve for x
x = 1,131,466,739,737.23/1,043,680.97 - Step 6: Final answer
x = 1,084,111.69
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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.