Finding the Fourth Proportional to 1,310,149.12, 1,965,624.76 and 670,905.46
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Solution
The fourth proportional to 1,310,149.12, 1,965,624.76 and 670,905.46 is: 1,006,563.58
Step by Step Solution
- Step 1: Write the proportion equation
1,310,149.12 : 1,965,624.76 = 670,905.46 : x - Step 2: Convert to fraction form
1,310,149.12/1,965,624.76 = 670,905.46/x - Step 3: Cross multiply
1,310,149.12x = 1,965,624.76 × 670,905.46 - Step 4: Simplify right side
1,310,149.12x = 1,318,748,388,709.25 - Step 5: Solve for x
x = 1,318,748,388,709.25/1,310,149.12 - Step 6: Final answer
x = 1,006,563.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.