Finding the Fourth Proportional to 836,765.96, 1,246,290.81 and 832,687.88
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Solution
The fourth proportional to 836,765.96, 1,246,290.81 and 832,687.88 is: 1,240,216.86
Step by Step Solution
- Step 1: Write the proportion equation
836,765.96 : 1,246,290.81 = 832,687.88 : x - Step 2: Convert to fraction form
836,765.96/1,246,290.81 = 832,687.88/x - Step 3: Cross multiply
836,765.96x = 1,246,290.81 × 832,687.88 - Step 4: Simplify right side
836,765.96x = 1,037,771,252,442.38 - Step 5: Solve for x
x = 1,037,771,252,442.38/836,765.96 - Step 6: Final answer
x = 1,240,216.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.