Finding the Fourth Proportional to 1,117,643.94, 1,542,305.84 and 634,180.26
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Solution
The fourth proportional to 1,117,643.94, 1,542,305.84 and 634,180.26 is: 875,144.47
Step by Step Solution
- Step 1: Write the proportion equation
1,117,643.94 : 1,542,305.84 = 634,180.26 : x - Step 2: Convert to fraction form
1,117,643.94/1,542,305.84 = 634,180.26/x - Step 3: Cross multiply
1,117,643.94x = 1,542,305.84 × 634,180.26 - Step 4: Simplify right side
1,117,643.94x = 978,099,918,610.72 - Step 5: Solve for x
x = 978,099,918,610.72/1,117,643.94 - Step 6: Final answer
x = 875,144.47
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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.