Finding the Fourth Proportional to 1,419,793.84, 1,959,342.78 and 775,239.58
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Solution
The fourth proportional to 1,419,793.84, 1,959,342.78 and 775,239.58 is: 1,069,845.52
Step by Step Solution
- Step 1: Write the proportion equation
1,419,793.84 : 1,959,342.78 = 775,239.58 : x - Step 2: Convert to fraction form
1,419,793.84/1,959,342.78 = 775,239.58/x - Step 3: Cross multiply
1,419,793.84x = 1,959,342.78 × 775,239.58 - Step 4: Simplify right side
1,419,793.84x = 1,518,960,073,843.23 - Step 5: Solve for x
x = 1,518,960,073,843.23/1,419,793.84 - Step 6: Final answer
x = 1,069,845.52
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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.