Finding the Fourth Proportional to 1,419,886.08, 1,959,452.28 and 775,310.76
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Solution
The fourth proportional to 1,419,886.08, 1,959,452.28 and 775,310.76 is: 1,069,934.03
Step by Step Solution
- Step 1: Write the proportion equation
1,419,886.08 : 1,959,452.28 = 775,310.76 : x - Step 2: Convert to fraction form
1,419,886.08/1,959,452.28 = 775,310.76/x - Step 3: Cross multiply
1,419,886.08x = 1,959,452.28 × 775,310.76 - Step 4: Simplify right side
1,419,886.08x = 1,519,184,436,390.53 - Step 5: Solve for x
x = 1,519,184,436,390.53/1,419,886.08 - Step 6: Final answer
x = 1,069,934.03
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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.