Finding the Fourth Proportional to 1,330,486.65, 1,835,550.58 and 820,303.29
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Solution
The fourth proportional to 1,330,486.65, 1,835,550.58 and 820,303.29 is: 1,131,697.32
Step by Step Solution
- Step 1: Write the proportion equation
1,330,486.65 : 1,835,550.58 = 820,303.29 : x - Step 2: Convert to fraction form
1,330,486.65/1,835,550.58 = 820,303.29/x - Step 3: Cross multiply
1,330,486.65x = 1,835,550.58 × 820,303.29 - Step 4: Simplify right side
1,330,486.65x = 1,505,708,179,735.41 - Step 5: Solve for x
x = 1,505,708,179,735.41/1,330,486.65 - Step 6: Final answer
x = 1,131,697.32
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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.