Finding the Fourth Proportional to 1,273,042.71, 1,756,666.06 and 729,201.42
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Solution
The fourth proportional to 1,273,042.71, 1,756,666.06 and 729,201.42 is: 1,006,221.84
Step by Step Solution
- Step 1: Write the proportion equation
1,273,042.71 : 1,756,666.06 = 729,201.42 : x - Step 2: Convert to fraction form
1,273,042.71/1,756,666.06 = 729,201.42/x - Step 3: Cross multiply
1,273,042.71x = 1,756,666.06 × 729,201.42 - Step 4: Simplify right side
1,273,042.71x = 1,280,963,383,594.80 - Step 5: Solve for x
x = 1,280,963,383,594.80/1,273,042.71 - Step 6: Final answer
x = 1,006,221.84
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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.