Finding the Fourth Proportional to 1,251,959.49, 1,727,706.24 and 679,000.12
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Solution
The fourth proportional to 1,251,959.49, 1,727,706.24 and 679,000.12 is: 937,021.32
Step by Step Solution
- Step 1: Write the proportion equation
1,251,959.49 : 1,727,706.24 = 679,000.12 : x - Step 2: Convert to fraction form
1,251,959.49/1,727,706.24 = 679,000.12/x - Step 3: Cross multiply
1,251,959.49x = 1,727,706.24 × 679,000.12 - Step 4: Simplify right side
1,251,959.49x = 1,173,112,739,965.48 - Step 5: Solve for x
x = 1,173,112,739,965.48/1,251,959.49 - Step 6: Final answer
x = 937,021.32
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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.