Finding the Fourth Proportional to 1,138,395.94, 1,570,852.62 and 629,067.94
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Solution
The fourth proportional to 1,138,395.94, 1,570,852.62 and 629,067.94 is: 868,039.83
Step by Step Solution
- Step 1: Write the proportion equation
1,138,395.94 : 1,570,852.62 = 629,067.94 : x - Step 2: Convert to fraction form
1,138,395.94/1,570,852.62 = 629,067.94/x - Step 3: Cross multiply
1,138,395.94x = 1,570,852.62 × 629,067.94 - Step 4: Simplify right side
1,138,395.94x = 988,173,021,707.00 - Step 5: Solve for x
x = 988,173,021,707.00/1,138,395.94 - Step 6: Final answer
x = 868,039.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.