Finding the Fourth Proportional to 1,330,363.21, 1,835,902.98 and 757,403.35
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Solution
The fourth proportional to 1,330,363.21, 1,835,902.98 and 757,403.35 is: 1,045,217.62
Step by Step Solution
- Step 1: Write the proportion equation
1,330,363.21 : 1,835,902.98 = 757,403.35 : x - Step 2: Convert to fraction form
1,330,363.21/1,835,902.98 = 757,403.35/x - Step 3: Cross multiply
1,330,363.21x = 1,835,902.98 × 757,403.35 - Step 4: Simplify right side
1,330,363.21x = 1,390,519,067,326.98 - Step 5: Solve for x
x = 1,390,519,067,326.98/1,330,363.21 - Step 6: Final answer
x = 1,045,217.62
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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.