Finding the Fourth Proportional to 1,330,232.80, 1,835,728.67 and 726,620.80
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Solution
The fourth proportional to 1,330,232.80, 1,835,728.67 and 726,620.80 is: 1,002,740.75
Step by Step Solution
- Step 1: Write the proportion equation
1,330,232.80 : 1,835,728.67 = 726,620.80 : x - Step 2: Convert to fraction form
1,330,232.80/1,835,728.67 = 726,620.80/x - Step 3: Cross multiply
1,330,232.80x = 1,835,728.67 × 726,620.80 - Step 4: Simplify right side
1,330,232.80x = 1,333,878,634,778.34 - Step 5: Solve for x
x = 1,333,878,634,778.34/1,330,232.80 - Step 6: Final answer
x = 1,002,740.75
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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.