Finding the Fourth Proportional to 1,442,410.18, 1,990,421.05 and 797,841.14
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Solution
The fourth proportional to 1,442,410.18, 1,990,421.05 and 797,841.14 is: 1,100,962.69
Step by Step Solution
- Step 1: Write the proportion equation
1,442,410.18 : 1,990,421.05 = 797,841.14 : x - Step 2: Convert to fraction form
1,442,410.18/1,990,421.05 = 797,841.14/x - Step 3: Cross multiply
1,442,410.18x = 1,990,421.05 × 797,841.14 - Step 4: Simplify right side
1,442,410.18x = 1,588,039,800,357.36 - Step 5: Solve for x
x = 1,588,039,800,357.36/1,442,410.18 - Step 6: Final answer
x = 1,100,962.69
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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.