Finding the Fourth Proportional to 1,289,144.03, 1,924,253.24 and 1,194,140.75
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Solution
The fourth proportional to 1,289,144.03, 1,924,253.24 and 1,194,140.75 is: 1,782,445.68
Step by Step Solution
- Step 1: Write the proportion equation
1,289,144.03 : 1,924,253.24 = 1,194,140.75 : x - Step 2: Convert to fraction form
1,289,144.03/1,924,253.24 = 1,194,140.75/x - Step 3: Cross multiply
1,289,144.03x = 1,924,253.24 × 1,194,140.75 - Step 4: Simplify right side
1,289,144.03x = 2,297,829,207,203.53 - Step 5: Solve for x
x = 2,297,829,207,203.53/1,289,144.03 - Step 6: Final answer
x = 1,782,445.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.