Finding the Fourth Proportional to 1,217,622.26, 1,824,686.01 and 684,020.18
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Solution
The fourth proportional to 1,217,622.26, 1,824,686.01 and 684,020.18 is: 1,025,048.65
Step by Step Solution
- Step 1: Write the proportion equation
1,217,622.26 : 1,824,686.01 = 684,020.18 : x - Step 2: Convert to fraction form
1,217,622.26/1,824,686.01 = 684,020.18/x - Step 3: Cross multiply
1,217,622.26x = 1,824,686.01 × 684,020.18 - Step 4: Simplify right side
1,217,622.26x = 1,248,122,043,880.25 - Step 5: Solve for x
x = 1,248,122,043,880.25/1,217,622.26 - Step 6: Final answer
x = 1,025,048.65
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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.