Finding the Fourth Proportional to 1,256,881.20, 1,885,296.26 and 310,260.12
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Solution
The fourth proportional to 1,256,881.20, 1,885,296.26 and 310,260.12 is: 465,383.88
Step by Step Solution
- Step 1: Write the proportion equation
1,256,881.20 : 1,885,296.26 = 310,260.12 : x - Step 2: Convert to fraction form
1,256,881.20/1,885,296.26 = 310,260.12/x - Step 3: Cross multiply
1,256,881.20x = 1,885,296.26 × 310,260.12 - Step 4: Simplify right side
1,256,881.20x = 584,932,243,863.15 - Step 5: Solve for x
x = 584,932,243,863.15/1,256,881.20 - Step 6: Final answer
x = 465,383.88
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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.