Finding the Fourth Proportional to 1,265,651.42, 1,746,603.58 and 684,874.55
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Solution
The fourth proportional to 1,265,651.42, 1,746,603.58 and 684,874.55 is: 945,129.38
Step by Step Solution
- Step 1: Write the proportion equation
1,265,651.42 : 1,746,603.58 = 684,874.55 : x - Step 2: Convert to fraction form
1,265,651.42/1,746,603.58 = 684,874.55/x - Step 3: Cross multiply
1,265,651.42x = 1,746,603.58 × 684,874.55 - Step 4: Simplify right side
1,265,651.42x = 1,196,204,342,593.08 - Step 5: Solve for x
x = 1,196,204,342,593.08/1,265,651.42 - Step 6: Final answer
x = 945,129.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.