Finding the Fourth Proportional to 1,117,528.99, 1,542,144.42 and 634,083.73
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Solution
The fourth proportional to 1,117,528.99, 1,542,144.42 and 634,083.73 is: 875,009.68
Step by Step Solution
- Step 1: Write the proportion equation
1,117,528.99 : 1,542,144.42 = 634,083.73 : x - Step 2: Convert to fraction form
1,117,528.99/1,542,144.42 = 634,083.73/x - Step 3: Cross multiply
1,117,528.99x = 1,542,144.42 × 634,083.73 - Step 4: Simplify right side
1,117,528.99x = 977,848,682,176.93 - Step 5: Solve for x
x = 977,848,682,176.93/1,117,528.99 - Step 6: Final answer
x = 875,009.68
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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.