Finding the Fourth Proportional to 1,125,136.62, 1,552,521.60 and 683,381.46
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Solution
The fourth proportional to 1,125,136.62, 1,552,521.60 and 683,381.46 is: 942,965.02
Step by Step Solution
- Step 1: Write the proportion equation
1,125,136.62 : 1,552,521.60 = 683,381.46 : x - Step 2: Convert to fraction form
1,125,136.62/1,552,521.60 = 683,381.46/x - Step 3: Cross multiply
1,125,136.62x = 1,552,521.60 × 683,381.46 - Step 4: Simplify right side
1,125,136.62x = 1,060,964,477,689.54 - Step 5: Solve for x
x = 1,060,964,477,689.54/1,125,136.62 - Step 6: Final answer
x = 942,965.02
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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.