Finding the Fourth Proportional to 1,283,377.74, 1,928,556.09 and 684,761.82
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Solution
The fourth proportional to 1,283,377.74, 1,928,556.09 and 684,761.82 is: 1,029,004.58
Step by Step Solution
- Step 1: Write the proportion equation
1,283,377.74 : 1,928,556.09 = 684,761.82 : x - Step 2: Convert to fraction form
1,283,377.74/1,928,556.09 = 684,761.82/x - Step 3: Cross multiply
1,283,377.74x = 1,928,556.09 × 684,761.82 - Step 4: Simplify right side
1,283,377.74x = 1,320,601,578,160.48 - Step 5: Solve for x
x = 1,320,601,578,160.48/1,283,377.74 - Step 6: Final answer
x = 1,029,004.58
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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.