Finding the Fourth Proportional to 1,440,804.24, 1,988,140.68 and 796,186.02
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Solution
The fourth proportional to 1,440,804.24, 1,988,140.68 and 796,186.02 is: 1,098,643.22
Step by Step Solution
- Step 1: Write the proportion equation
1,440,804.24 : 1,988,140.68 = 796,186.02 : x - Step 2: Convert to fraction form
1,440,804.24/1,988,140.68 = 796,186.02/x - Step 3: Cross multiply
1,440,804.24x = 1,988,140.68 × 796,186.02 - Step 4: Simplify right side
1,440,804.24x = 1,582,929,815,209.29 - Step 5: Solve for x
x = 1,582,929,815,209.29/1,440,804.24 - Step 6: Final answer
x = 1,098,643.22
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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.