Finding the Fourth Proportional to 1,279,181.67, 1,765,265.81 and 706,217.73
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Solution
The fourth proportional to 1,279,181.67, 1,765,265.81 and 706,217.73 is: 974,577.77
Step by Step Solution
- Step 1: Write the proportion equation
1,279,181.67 : 1,765,265.81 = 706,217.73 : x - Step 2: Convert to fraction form
1,279,181.67/1,765,265.81 = 706,217.73/x - Step 3: Cross multiply
1,279,181.67x = 1,765,265.81 × 706,217.73 - Step 4: Simplify right side
1,279,181.67x = 1,246,662,013,184.81 - Step 5: Solve for x
x = 1,246,662,013,184.81/1,279,181.67 - Step 6: Final answer
x = 974,577.77
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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.