Finding the Fourth Proportional to 1,279,236.96, 1,765,349.64 and 706,278.24
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Solution
The fourth proportional to 1,279,236.96, 1,765,349.64 and 706,278.24 is: 974,665.43
Step by Step Solution
- Step 1: Write the proportion equation
1,279,236.96 : 1,765,349.64 = 706,278.24 : x - Step 2: Convert to fraction form
1,279,236.96/1,765,349.64 = 706,278.24/x - Step 3: Cross multiply
1,279,236.96x = 1,765,349.64 × 706,278.24 - Step 4: Simplify right side
1,279,236.96x = 1,246,828,036,723.83 - Step 5: Solve for x
x = 1,246,828,036,723.83/1,279,236.96 - Step 6: Final answer
x = 974,665.43
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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.