Finding the Fourth Proportional to 1,442,484.09, 1,990,603.47 and 797,903.76
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Solution
The fourth proportional to 1,442,484.09, 1,990,603.47 and 797,903.76 is: 1,101,093.60
Step by Step Solution
- Step 1: Write the proportion equation
1,442,484.09 : 1,990,603.47 = 797,903.76 : x - Step 2: Convert to fraction form
1,442,484.09/1,990,603.47 = 797,903.76/x - Step 3: Cross multiply
1,442,484.09x = 1,990,603.47 × 797,903.76 - Step 4: Simplify right side
1,442,484.09x = 1,588,309,993,382.05 - Step 5: Solve for x
x = 1,588,309,993,382.05/1,442,484.09 - Step 6: Final answer
x = 1,101,093.60
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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.