Finding the Fourth Proportional to 1,246,914.66, 1,869,790.68 and 647,715
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Solution
The fourth proportional to 1,246,914.66, 1,869,790.68 and 647,715 is: 971,270.54
Step by Step Solution
- Step 1: Write the proportion equation
1,246,914.66 : 1,869,790.68 = 647,715 : x - Step 2: Convert to fraction form
1,246,914.66/1,869,790.68 = 647,715/x - Step 3: Cross multiply
1,246,914.66x = 1,869,790.68 × 647,715 - Step 4: Simplify right side
1,246,914.66x = 1,211,091,470,296.20 - Step 5: Solve for x
x = 1,211,091,470,296.20/1,246,914.66 - Step 6: Final answer
x = 971,270.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.