Finding the Fourth Proportional to 1,273,090.91, 1,756,886.85 and 729,274.23
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Solution
The fourth proportional to 1,273,090.91, 1,756,886.85 and 729,274.23 is: 1,006,410.70
Step by Step Solution
- Step 1: Write the proportion equation
1,273,090.91 : 1,756,886.85 = 729,274.23 : x - Step 2: Convert to fraction form
1,273,090.91/1,756,886.85 = 729,274.23/x - Step 3: Cross multiply
1,273,090.91x = 1,756,886.85 × 729,274.23 - Step 4: Simplify right side
1,273,090.91x = 1,281,252,304,730.88 - Step 5: Solve for x
x = 1,281,252,304,730.88/1,273,090.91 - Step 6: Final answer
x = 1,006,410.70
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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.