Finding the Fourth Proportional to 1,338,211.93, 1,846,703.15 and 726,365.87
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Solution
The fourth proportional to 1,338,211.93, 1,846,703.15 and 726,365.87 is: 1,002,368.99
Step by Step Solution
- Step 1: Write the proportion equation
1,338,211.93 : 1,846,703.15 = 726,365.87 : x - Step 2: Convert to fraction form
1,338,211.93/1,846,703.15 = 726,365.87/x - Step 3: Cross multiply
1,338,211.93x = 1,846,703.15 × 726,365.87 - Step 4: Simplify right side
1,338,211.93x = 1,341,382,140,181.49 - Step 5: Solve for x
x = 1,341,382,140,181.49/1,338,211.93 - Step 6: Final answer
x = 1,002,368.99
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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.