Finding the Fourth Proportional to 1,177,518.09, 1,766,631.70 and 367,869.80
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Solution
The fourth proportional to 1,177,518.09, 1,766,631.70 and 367,869.80 is: 551,915.47
Step by Step Solution
- Step 1: Write the proportion equation
1,177,518.09 : 1,766,631.70 = 367,869.80 : x - Step 2: Convert to fraction form
1,177,518.09/1,766,631.70 = 367,869.80/x - Step 3: Cross multiply
1,177,518.09x = 1,766,631.70 × 367,869.80 - Step 4: Simplify right side
1,177,518.09x = 649,890,450,152.66 - Step 5: Solve for x
x = 649,890,450,152.66/1,177,518.09 - Step 6: Final answer
x = 551,915.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.