Finding the Fourth Proportional to 1,315,383.68, 1,815,234.95 and 711,771.68
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Solution
The fourth proportional to 1,315,383.68, 1,815,234.95 and 711,771.68 is: 982,247.88
Step by Step Solution
- Step 1: Write the proportion equation
1,315,383.68 : 1,815,234.95 = 711,771.68 : x - Step 2: Convert to fraction form
1,315,383.68/1,815,234.95 = 711,771.68/x - Step 3: Cross multiply
1,315,383.68x = 1,815,234.95 × 711,771.68 - Step 4: Simplify right side
1,315,383.68x = 1,292,032,826,163.78 - Step 5: Solve for x
x = 1,292,032,826,163.78/1,315,383.68 - Step 6: Final answer
x = 982,247.88
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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.