Finding the Fourth Proportional to 1,385,193.31, 2,079,067.21 and 702,559.25
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Solution
The fourth proportional to 1,385,193.31, 2,079,067.21 and 702,559.25 is: 1,054,486.68
Step by Step Solution
- Step 1: Write the proportion equation
1,385,193.31 : 2,079,067.21 = 702,559.25 : x - Step 2: Convert to fraction form
1,385,193.31/2,079,067.21 = 702,559.25/x - Step 3: Cross multiply
1,385,193.31x = 2,079,067.21 × 702,559.25 - Step 4: Simplify right side
1,385,193.31x = 1,460,667,899,757.19 - Step 5: Solve for x
x = 1,460,667,899,757.19/1,385,193.31 - Step 6: Final answer
x = 1,054,486.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.