Finding the Fourth Proportional to 1,439,091.84, 1,985,915.68 and 785,695.52
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Solution
The fourth proportional to 1,439,091.84, 1,985,915.68 and 785,695.52 is: 1,084,242.86
Step by Step Solution
- Step 1: Write the proportion equation
1,439,091.84 : 1,985,915.68 = 785,695.52 : x - Step 2: Convert to fraction form
1,439,091.84/1,985,915.68 = 785,695.52/x - Step 3: Cross multiply
1,439,091.84x = 1,985,915.68 × 785,695.52 - Step 4: Simplify right side
1,439,091.84x = 1,560,325,052,873.75 - Step 5: Solve for x
x = 1,560,325,052,873.75/1,439,091.84 - Step 6: Final answer
x = 1,084,242.86
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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.