Finding the Fourth Proportional to 1,405,279.20, 2,106,737.52 and 1,138,377.84
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Solution
The fourth proportional to 1,405,279.20, 2,106,737.52 and 1,138,377.84 is: 1,706,609.84
Step by Step Solution
- Step 1: Write the proportion equation
1,405,279.20 : 2,106,737.52 = 1,138,377.84 : x - Step 2: Convert to fraction form
1,405,279.20/2,106,737.52 = 1,138,377.84/x - Step 3: Cross multiply
1,405,279.20x = 2,106,737.52 × 1,138,377.84 - Step 4: Simplify right side
1,405,279.20x = 2,398,263,307,464.56 - Step 5: Solve for x
x = 2,398,263,307,464.56/1,405,279.20 - Step 6: Final answer
x = 1,706,609.84
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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.