Finding the Fourth Proportional to 1,345,214.18, 1,856,408.26 and 741,623.78
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Solution
The fourth proportional to 1,345,214.18, 1,856,408.26 and 741,623.78 is: 1,023,447.81
Step by Step Solution
- Step 1: Write the proportion equation
1,345,214.18 : 1,856,408.26 = 741,623.78 : x - Step 2: Convert to fraction form
1,345,214.18/1,856,408.26 = 741,623.78/x - Step 3: Cross multiply
1,345,214.18x = 1,856,408.26 × 741,623.78 - Step 4: Simplify right side
1,345,214.18x = 1,376,756,511,004.42 - Step 5: Solve for x
x = 1,376,756,511,004.42/1,345,214.18 - Step 6: Final answer
x = 1,023,447.81
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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.