Finding the Fourth Proportional to 1,086,628.91, 1,499,472.84 and 603,155.97
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Solution
The fourth proportional to 1,086,628.91, 1,499,472.84 and 603,155.97 is: 832,313.58
Step by Step Solution
- Step 1: Write the proportion equation
1,086,628.91 : 1,499,472.84 = 603,155.97 : x - Step 2: Convert to fraction form
1,086,628.91/1,499,472.84 = 603,155.97/x - Step 3: Cross multiply
1,086,628.91x = 1,499,472.84 × 603,155.97 - Step 4: Simplify right side
1,086,628.91x = 904,415,997,560.69 - Step 5: Solve for x
x = 904,415,997,560.69/1,086,628.91 - Step 6: Final answer
x = 832,313.58
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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.