Finding the Fourth Proportional to 1,402,879.29, 2,104,624.19 and 430,244.11
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Solution
The fourth proportional to 1,402,879.29, 2,104,624.19 and 430,244.11 is: 645,459.78
Step by Step Solution
- Step 1: Write the proportion equation
1,402,879.29 : 2,104,624.19 = 430,244.11 : x - Step 2: Convert to fraction form
1,402,879.29/2,104,624.19 = 430,244.11/x - Step 3: Cross multiply
1,402,879.29x = 2,104,624.19 × 430,244.11 - Step 4: Simplify right side
1,402,879.29x = 905,502,161,511.02 - Step 5: Solve for x
x = 905,502,161,511.02/1,402,879.29 - Step 6: Final answer
x = 645,459.78
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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.