Finding the Fourth Proportional to 1,316,343.87, 1,974,589.68 and 369,640.79
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Solution
The fourth proportional to 1,316,343.87, 1,974,589.68 and 369,640.79 is: 554,481.92
Step by Step Solution
- Step 1: Write the proportion equation
1,316,343.87 : 1,974,589.68 = 369,640.79 : x - Step 2: Convert to fraction form
1,316,343.87/1,974,589.68 = 369,640.79/x - Step 3: Cross multiply
1,316,343.87x = 1,974,589.68 × 369,640.79 - Step 4: Simplify right side
1,316,343.87x = 729,888,879,368.10 - Step 5: Solve for x
x = 729,888,879,368.10/1,316,343.87 - Step 6: Final answer
x = 554,481.92
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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.