Finding the Fourth Proportional to 1,379,750.10, 1,904,052.33 and 776,138.10
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Solution
The fourth proportional to 1,379,750.10, 1,904,052.33 and 776,138.10 is: 1,071,069.00
Step by Step Solution
- Step 1: Write the proportion equation
1,379,750.10 : 1,904,052.33 = 776,138.10 : x - Step 2: Convert to fraction form
1,379,750.10/1,904,052.33 = 776,138.10/x - Step 3: Cross multiply
1,379,750.10x = 1,904,052.33 × 776,138.10 - Step 4: Simplify right side
1,379,750.10x = 1,477,807,557,706.77 - Step 5: Solve for x
x = 1,477,807,557,706.77/1,379,750.10 - Step 6: Final answer
x = 1,071,069.00
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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.