Finding the Fourth Proportional to 1,131,505.20, 1,697,612.04 and 373,878.99
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Solution
The fourth proportional to 1,131,505.20, 1,697,612.04 and 373,878.99 is: 560,935.54
Step by Step Solution
- Step 1: Write the proportion equation
1,131,505.20 : 1,697,612.04 = 373,878.99 : x - Step 2: Convert to fraction form
1,131,505.20/1,697,612.04 = 373,878.99/x - Step 3: Cross multiply
1,131,505.20x = 1,697,612.04 × 373,878.99 - Step 4: Simplify right side
1,131,505.20x = 634,701,474,927.04 - Step 5: Solve for x
x = 634,701,474,927.04/1,131,505.20 - Step 6: Final answer
x = 560,935.54
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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.