Finding the Fourth Proportional to 1,221,296.92, 1,685,349.50 and 737,777.54
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Solution
The fourth proportional to 1,221,296.92, 1,685,349.50 and 737,777.54 is: 1,018,108.69
Step by Step Solution
- Step 1: Write the proportion equation
1,221,296.92 : 1,685,349.50 = 737,777.54 : x - Step 2: Convert to fraction form
1,221,296.92/1,685,349.50 = 737,777.54/x - Step 3: Cross multiply
1,221,296.92x = 1,685,349.50 × 737,777.54 - Step 4: Simplify right side
1,221,296.92x = 1,243,413,008,150.23 - Step 5: Solve for x
x = 1,243,413,008,150.23/1,221,296.92 - Step 6: Final answer
x = 1,018,108.69
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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.