Finding the Fourth Proportional to 1,100,770.99, 1,651,320.52 and 390,739.57
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Solution
The fourth proportional to 1,100,770.99, 1,651,320.52 and 390,739.57 is: 586,167.58
Step by Step Solution
- Step 1: Write the proportion equation
1,100,770.99 : 1,651,320.52 = 390,739.57 : x - Step 2: Convert to fraction form
1,100,770.99/1,651,320.52 = 390,739.57/x - Step 3: Cross multiply
1,100,770.99x = 1,651,320.52 × 390,739.57 - Step 4: Simplify right side
1,100,770.99x = 645,236,264,811.83 - Step 5: Solve for x
x = 645,236,264,811.83/1,100,770.99 - Step 6: Final answer
x = 586,167.58
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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.