Finding the Fourth Proportional to 1,358,491.79, 1,874,738.08 and 746,701.12
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Solution
The fourth proportional to 1,358,491.79, 1,874,738.08 and 746,701.12 is: 1,030,458.21
Step by Step Solution
- Step 1: Write the proportion equation
1,358,491.79 : 1,874,738.08 = 746,701.12 : x - Step 2: Convert to fraction form
1,358,491.79/1,874,738.08 = 746,701.12/x - Step 3: Cross multiply
1,358,491.79x = 1,874,738.08 × 746,701.12 - Step 4: Simplify right side
1,358,491.79x = 1,399,869,024,042.65 - Step 5: Solve for x
x = 1,399,869,024,042.65/1,358,491.79 - Step 6: Final answer
x = 1,030,458.21
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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.