Finding the Fourth Proportional to 1,370,738.54, 2,056,328.14 and 471,959.30
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Solution
The fourth proportional to 1,370,738.54, 2,056,328.14 and 471,959.30 is: 708,014.81
Step by Step Solution
- Step 1: Write the proportion equation
1,370,738.54 : 2,056,328.14 = 471,959.30 : x - Step 2: Convert to fraction form
1,370,738.54/2,056,328.14 = 471,959.30/x - Step 3: Cross multiply
1,370,738.54x = 2,056,328.14 × 471,959.30 - Step 4: Simplify right side
1,370,738.54x = 970,503,189,524.70 - Step 5: Solve for x
x = 970,503,189,524.70/1,370,738.54 - Step 6: Final answer
x = 708,014.81
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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.