Finding the Fourth Proportional to 1,343,063.10, 2,013,328.18 and 668,506.70
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Solution
The fourth proportional to 1,343,063.10, 2,013,328.18 and 668,506.70 is: 1,002,129.67
Step by Step Solution
- Step 1: Write the proportion equation
1,343,063.10 : 2,013,328.18 = 668,506.70 : x - Step 2: Convert to fraction form
1,343,063.10/2,013,328.18 = 668,506.70/x - Step 3: Cross multiply
1,343,063.10x = 2,013,328.18 × 668,506.70 - Step 4: Simplify right side
1,343,063.10x = 1,345,923,377,628.81 - Step 5: Solve for x
x = 1,345,923,377,628.81/1,343,063.10 - Step 6: Final answer
x = 1,002,129.67
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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.