Finding the Fourth Proportional to 1,027,457.28, 1,541,628.99 and 396,813.96
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Solution
The fourth proportional to 1,027,457.28, 1,541,628.99 and 396,813.96 is: 595,392.06
Step by Step Solution
- Step 1: Write the proportion equation
1,027,457.28 : 1,541,628.99 = 396,813.96 : x - Step 2: Convert to fraction form
1,027,457.28/1,541,628.99 = 396,813.96/x - Step 3: Cross multiply
1,027,457.28x = 1,541,628.99 × 396,813.96 - Step 4: Simplify right side
1,027,457.28x = 611,739,904,372.70 - Step 5: Solve for x
x = 611,739,904,372.70/1,027,457.28 - Step 6: Final answer
x = 595,392.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.