Finding the Fourth Proportional to 1,230,600.29, 1,842,678.18 and 989,432.51
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Solution
The fourth proportional to 1,230,600.29, 1,842,678.18 and 989,432.51 is: 1,481,557.99
Step by Step Solution
- Step 1: Write the proportion equation
1,230,600.29 : 1,842,678.18 = 989,432.51 : x - Step 2: Convert to fraction form
1,230,600.29/1,842,678.18 = 989,432.51/x - Step 3: Cross multiply
1,230,600.29x = 1,842,678.18 × 989,432.51 - Step 4: Simplify right side
1,230,600.29x = 1,823,205,687,546.24 - Step 5: Solve for x
x = 1,823,205,687,546.24/1,230,600.29 - Step 6: Final answer
x = 1,481,557.99
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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.