Finding the Fourth Proportional to 1,333,243.58, 1,840,115.64 and 752,643.68
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Solution
The fourth proportional to 1,333,243.58, 1,840,115.64 and 752,643.68 is: 1,038,783.48
Step by Step Solution
- Step 1: Write the proportion equation
1,333,243.58 : 1,840,115.64 = 752,643.68 : x - Step 2: Convert to fraction form
1,333,243.58/1,840,115.64 = 752,643.68/x - Step 3: Cross multiply
1,333,243.58x = 1,840,115.64 × 752,643.68 - Step 4: Simplify right side
1,333,243.58x = 1,384,951,393,951.36 - Step 5: Solve for x
x = 1,384,951,393,951.36/1,333,243.58 - Step 6: Final answer
x = 1,038,783.48
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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.