Finding the Fourth Proportional to 1,295,887.20, 1,944,133.68 and 442,965.42
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Solution
The fourth proportional to 1,295,887.20, 1,944,133.68 and 442,965.42 is: 664,551.66
Step by Step Solution
- Step 1: Write the proportion equation
1,295,887.20 : 1,944,133.68 = 442,965.42 : x - Step 2: Convert to fraction form
1,295,887.20/1,944,133.68 = 442,965.42/x - Step 3: Cross multiply
1,295,887.20x = 1,944,133.68 × 442,965.42 - Step 4: Simplify right side
1,295,887.20x = 861,183,992,097.35 - Step 5: Solve for x
x = 861,183,992,097.35/1,295,887.20 - Step 6: Final answer
x = 664,551.66
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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.