Finding the Fourth Proportional to 1,273,044.21, 1,756,668.12 and 729,202.92
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Solution
The fourth proportional to 1,273,044.21, 1,756,668.12 and 729,202.92 is: 1,006,223.91
Step by Step Solution
- Step 1: Write the proportion equation
1,273,044.21 : 1,756,668.12 = 729,202.92 : x - Step 2: Convert to fraction form
1,273,044.21/1,756,668.12 = 729,202.92/x - Step 3: Cross multiply
1,273,044.21x = 1,756,668.12 × 729,202.92 - Step 4: Simplify right side
1,273,044.21x = 1,280,967,522,574.91 - Step 5: Solve for x
x = 1,280,967,522,574.91/1,273,044.21 - Step 6: Final answer
x = 1,006,223.91
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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.