Finding the Fourth Proportional to 1,201,779.99, 1,659,580.56 and 772,805.43
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Solution
The fourth proportional to 1,201,779.99, 1,659,580.56 and 772,805.43 is: 1,067,194.39
Step by Step Solution
- Step 1: Write the proportion equation
1,201,779.99 : 1,659,580.56 = 772,805.43 : x - Step 2: Convert to fraction form
1,201,779.99/1,659,580.56 = 772,805.43/x - Step 3: Cross multiply
1,201,779.99x = 1,659,580.56 × 772,805.43 - Step 4: Simplify right side
1,201,779.99x = 1,282,532,868,290.44 - Step 5: Solve for x
x = 1,282,532,868,290.44/1,201,779.99 - Step 6: Final answer
x = 1,067,194.39
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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.