Finding the Fourth Proportional to 1,224,465.53, 1,689,690.07 and 680,582.62
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Solution
The fourth proportional to 1,224,465.53, 1,689,690.07 and 680,582.62 is: 939,163.80
Step by Step Solution
- Step 1: Write the proportion equation
1,224,465.53 : 1,689,690.07 = 680,582.62 : x - Step 2: Convert to fraction form
1,224,465.53/1,689,690.07 = 680,582.62/x - Step 3: Cross multiply
1,224,465.53x = 1,689,690.07 × 680,582.62 - Step 4: Simplify right side
1,224,465.53x = 1,149,973,697,791.42 - Step 5: Solve for x
x = 1,149,973,697,791.42/1,224,465.53 - Step 6: Final answer
x = 939,163.80
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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.