Finding the Fourth Proportional to 1,158,708.14, 1,599,182.68 and 642,576.81
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Solution
The fourth proportional to 1,158,708.14, 1,599,182.68 and 642,576.81 is: 886,847.75
Step by Step Solution
- Step 1: Write the proportion equation
1,158,708.14 : 1,599,182.68 = 642,576.81 : x - Step 2: Convert to fraction form
1,158,708.14/1,599,182.68 = 642,576.81/x - Step 3: Cross multiply
1,158,708.14x = 1,599,182.68 × 642,576.81 - Step 4: Simplify right side
1,158,708.14x = 1,027,597,710,716.98 - Step 5: Solve for x
x = 1,027,597,710,716.98/1,158,708.14 - Step 6: Final answer
x = 886,847.75
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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.