Finding the Fourth Proportional to 1,120,915.02, 1,546,418.26 and 690,448.62
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Solution
The fourth proportional to 1,120,915.02, 1,546,418.26 and 690,448.62 is: 952,545.32
Step by Step Solution
- Step 1: Write the proportion equation
1,120,915.02 : 1,546,418.26 = 690,448.62 : x - Step 2: Convert to fraction form
1,120,915.02/1,546,418.26 = 690,448.62/x - Step 3: Cross multiply
1,120,915.02x = 1,546,418.26 × 690,448.62 - Step 4: Simplify right side
1,120,915.02x = 1,067,722,353,559.80 - Step 5: Solve for x
x = 1,067,722,353,559.80/1,120,915.02 - Step 6: Final answer
x = 952,545.32
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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.