Finding the Fourth Proportional to 1,295,101.20, 1,942,133.40 and 453,219.60
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Solution
The fourth proportional to 1,295,101.20, 1,942,133.40 and 453,219.60 is: 679,647.99
Step by Step Solution
- Step 1: Write the proportion equation
1,295,101.20 : 1,942,133.40 = 453,219.60 : x - Step 2: Convert to fraction form
1,295,101.20/1,942,133.40 = 453,219.60/x - Step 3: Cross multiply
1,295,101.20x = 1,942,133.40 × 453,219.60 - Step 4: Simplify right side
1,295,101.20x = 880,212,922,694.64 - Step 5: Solve for x
x = 880,212,922,694.64/1,295,101.20 - Step 6: Final answer
x = 679,647.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.