Finding the Fourth Proportional to 1,408,974.29, 2,111,729.38 and 649,761.80
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Solution
The fourth proportional to 1,408,974.29, 2,111,729.38 and 649,761.80 is: 973,843.95
Step by Step Solution
- Step 1: Write the proportion equation
1,408,974.29 : 2,111,729.38 = 649,761.80 : x - Step 2: Convert to fraction form
1,408,974.29/2,111,729.38 = 649,761.80/x - Step 3: Cross multiply
1,408,974.29x = 2,111,729.38 × 649,761.80 - Step 4: Simplify right side
1,408,974.29x = 1,372,121,086,412.02 - Step 5: Solve for x
x = 1,372,121,086,412.02/1,408,974.29 - Step 6: Final answer
x = 973,843.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.