Finding the Fourth Proportional to 1,471,330.20, 2,206,995.30 and 761,575.80
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Solution
The fourth proportional to 1,471,330.20, 2,206,995.30 and 761,575.80 is: 1,142,363.70
Step by Step Solution
- Step 1: Write the proportion equation
1,471,330.20 : 2,206,995.30 = 761,575.80 : x - Step 2: Convert to fraction form
1,471,330.20/2,206,995.30 = 761,575.80/x - Step 3: Cross multiply
1,471,330.20x = 2,206,995.30 × 761,575.80 - Step 4: Simplify right side
1,471,330.20x = 1,680,794,211,193.74 - Step 5: Solve for x
x = 1,680,794,211,193.74/1,471,330.20 - Step 6: Final answer
x = 1,142,363.70
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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.