Finding the Fourth Proportional to 1,063,511.36, 1,595,575.92 and 343,837.76
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Solution
The fourth proportional to 1,063,511.36, 1,595,575.92 and 343,837.76 is: 515,856.50
Step by Step Solution
- Step 1: Write the proportion equation
1,063,511.36 : 1,595,575.92 = 343,837.76 : x - Step 2: Convert to fraction form
1,063,511.36/1,595,575.92 = 343,837.76/x - Step 3: Cross multiply
1,063,511.36x = 1,595,575.92 × 343,837.76 - Step 4: Simplify right side
1,063,511.36x = 548,619,250,242.74 - Step 5: Solve for x
x = 548,619,250,242.74/1,063,511.36 - Step 6: Final answer
x = 515,856.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.