Finding the Fourth Proportional to 1,497,631.20, 2,245,183.20 and 698,491.68
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Solution
The fourth proportional to 1,497,631.20, 2,245,183.20 and 698,491.68 is: 1,047,148.18
Step by Step Solution
- Step 1: Write the proportion equation
1,497,631.20 : 2,245,183.20 = 698,491.68 : x - Step 2: Convert to fraction form
1,497,631.20/2,245,183.20 = 698,491.68/x - Step 3: Cross multiply
1,497,631.20x = 2,245,183.20 × 698,491.68 - Step 4: Simplify right side
1,497,631.20x = 1,568,241,785,275.78 - Step 5: Solve for x
x = 1,568,241,785,275.78/1,497,631.20 - Step 6: Final answer
x = 1,047,148.18
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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.