Finding the Fourth Proportional to 1,107,676.44, 1,528,624.98 and 617,657.24
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Solution
The fourth proportional to 1,107,676.44, 1,528,624.98 and 617,657.24 is: 852,384.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,676.44 : 1,528,624.98 = 617,657.24 : x - Step 2: Convert to fraction form
1,107,676.44/1,528,624.98 = 617,657.24/x - Step 3: Cross multiply
1,107,676.44x = 1,528,624.98 × 617,657.24 - Step 4: Simplify right side
1,107,676.44x = 944,166,286,141.86 - Step 5: Solve for x
x = 944,166,286,141.86/1,107,676.44 - Step 6: Final answer
x = 852,384.55
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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.