Finding the Fourth Proportional to 1,342,890.70, 2,016,668.85 and 713,034.70
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Solution
The fourth proportional to 1,342,890.70, 2,016,668.85 and 713,034.70 is: 1,070,790.70
Step by Step Solution
- Step 1: Write the proportion equation
1,342,890.70 : 2,016,668.85 = 713,034.70 : x - Step 2: Convert to fraction form
1,342,890.70/2,016,668.85 = 713,034.70/x - Step 3: Cross multiply
1,342,890.70x = 2,016,668.85 × 713,034.70 - Step 4: Simplify right side
1,342,890.70x = 1,437,954,868,459.10 - Step 5: Solve for x
x = 1,437,954,868,459.10/1,342,890.70 - Step 6: Final answer
x = 1,070,790.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.