Finding the Fourth Proportional to 1,333,381.92, 1,840,135.68 and 744,761.28
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Solution
The fourth proportional to 1,333,381.92, 1,840,135.68 and 744,761.28 is: 1,027,808.90
Step by Step Solution
- Step 1: Write the proportion equation
1,333,381.92 : 1,840,135.68 = 744,761.28 : x - Step 2: Convert to fraction form
1,333,381.92/1,840,135.68 = 744,761.28/x - Step 3: Cross multiply
1,333,381.92x = 1,840,135.68 × 744,761.28 - Step 4: Simplify right side
1,333,381.92x = 1,370,461,804,410.47 - Step 5: Solve for x
x = 1,370,461,804,410.47/1,333,381.92 - Step 6: Final answer
x = 1,027,808.90
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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.