Finding the Fourth Proportional to 1,397,457.26, 2,096,628.80 and 498,879.09
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Solution
The fourth proportional to 1,397,457.26, 2,096,628.80 and 498,879.09 is: 748,476.75
Step by Step Solution
- Step 1: Write the proportion equation
1,397,457.26 : 2,096,628.80 = 498,879.09 : x - Step 2: Convert to fraction form
1,397,457.26/2,096,628.80 = 498,879.09/x - Step 3: Cross multiply
1,397,457.26x = 2,096,628.80 × 498,879.09 - Step 4: Simplify right side
1,397,457.26x = 1,045,964,265,317.40 - Step 5: Solve for x
x = 1,045,964,265,317.40/1,397,457.26 - Step 6: Final answer
x = 748,476.75
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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.