Finding the Fourth Proportional to 1,080,532.07, 1,620,867.23 and 415,684.07
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Solution
The fourth proportional to 1,080,532.07, 1,620,867.23 and 415,684.07 is: 623,552.70
Step by Step Solution
- Step 1: Write the proportion equation
1,080,532.07 : 1,620,867.23 = 415,684.07 : x - Step 2: Convert to fraction form
1,080,532.07/1,620,867.23 = 415,684.07/x - Step 3: Cross multiply
1,080,532.07x = 1,620,867.23 × 415,684.07 - Step 4: Simplify right side
1,080,532.07x = 673,768,685,017.61 - Step 5: Solve for x
x = 673,768,685,017.61/1,080,532.07 - Step 6: Final answer
x = 623,552.70
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1.5x scale
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.