Finding the Fourth Proportional to 1,044,879.18, 1,442,090.87 and 637,217.49
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Solution
The fourth proportional to 1,044,879.18, 1,442,090.87 and 637,217.49 is: 879,456.25
Step by Step Solution
- Step 1: Write the proportion equation
1,044,879.18 : 1,442,090.87 = 637,217.49 : x - Step 2: Convert to fraction form
1,044,879.18/1,442,090.87 = 637,217.49/x - Step 3: Cross multiply
1,044,879.18x = 1,442,090.87 × 637,217.49 - Step 4: Simplify right side
1,044,879.18x = 918,925,524,533.32 - Step 5: Solve for x
x = 918,925,524,533.32/1,044,879.18 - Step 6: Final answer
x = 879,456.25
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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.