Finding the Fourth Proportional to 1,315,586.13, 1,815,508.84 and 711,974.13
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Solution
The fourth proportional to 1,315,586.13, 1,815,508.84 and 711,974.13 is: 982,524.29
Step by Step Solution
- Step 1: Write the proportion equation
1,315,586.13 : 1,815,508.84 = 711,974.13 : x - Step 2: Convert to fraction form
1,315,586.13/1,815,508.84 = 711,974.13/x - Step 3: Cross multiply
1,315,586.13x = 1,815,508.84 × 711,974.13 - Step 4: Simplify right side
1,315,586.13x = 1,292,595,323,306.44 - Step 5: Solve for x
x = 1,292,595,323,306.44/1,315,586.13 - Step 6: Final answer
x = 982,524.29
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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.