Finding the Fourth Proportional to 1,018,517.34, 1,533,869.36 and 927,717.21
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Solution
The fourth proportional to 1,018,517.34, 1,533,869.36 and 927,717.21 is: 1,397,125.94
Step by Step Solution
- Step 1: Write the proportion equation
1,018,517.34 : 1,533,869.36 = 927,717.21 : x - Step 2: Convert to fraction form
1,018,517.34/1,533,869.36 = 927,717.21/x - Step 3: Cross multiply
1,018,517.34x = 1,533,869.36 × 927,717.21 - Step 4: Simplify right side
1,018,517.34x = 1,422,996,998,525.10 - Step 5: Solve for x
x = 1,422,996,998,525.10/1,018,517.34 - Step 6: Final answer
x = 1,397,125.94
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.