Finding the Fourth Proportional to 1,004,439.92, 1,386,137.24 and 545,558.92
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Solution
The fourth proportional to 1,004,439.92, 1,386,137.24 and 545,558.92 is: 752,876.82
Step by Step Solution
- Step 1: Write the proportion equation
1,004,439.92 : 1,386,137.24 = 545,558.92 : x - Step 2: Convert to fraction form
1,004,439.92/1,386,137.24 = 545,558.92/x - Step 3: Cross multiply
1,004,439.92x = 1,386,137.24 × 545,558.92 - Step 4: Simplify right side
1,004,439.92x = 756,219,535,626.18 - Step 5: Solve for x
x = 756,219,535,626.18/1,004,439.92 - Step 6: Final answer
x = 752,876.82
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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.