Finding the Fourth Proportional to 1,403,297.79, 1,936,549.31 and 758,716.44
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Solution
The fourth proportional to 1,403,297.79, 1,936,549.31 and 758,716.44 is: 1,047,027.80
Step by Step Solution
- Step 1: Write the proportion equation
1,403,297.79 : 1,936,549.31 = 758,716.44 : x - Step 2: Convert to fraction form
1,403,297.79/1,936,549.31 = 758,716.44/x - Step 3: Cross multiply
1,403,297.79x = 1,936,549.31 × 758,716.44 - Step 4: Simplify right side
1,403,297.79x = 1,469,291,794,574.07 - Step 5: Solve for x
x = 1,469,291,794,574.07/1,403,297.79 - Step 6: Final answer
x = 1,047,027.80
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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.