Finding the Fourth Proportional to 1,125,579.72, 1,553,299.74 and 616,281.96
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Solution
The fourth proportional to 1,125,579.72, 1,553,299.74 and 616,281.96 is: 850,468.95
Step by Step Solution
- Step 1: Write the proportion equation
1,125,579.72 : 1,553,299.74 = 616,281.96 : x - Step 2: Convert to fraction form
1,125,579.72/1,553,299.74 = 616,281.96/x - Step 3: Cross multiply
1,125,579.72x = 1,553,299.74 × 616,281.96 - Step 4: Simplify right side
1,125,579.72x = 957,270,608,234.69 - Step 5: Solve for x
x = 957,270,608,234.69/1,125,579.72 - Step 6: Final answer
x = 850,468.95
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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.