Finding the Fourth Proportional to 1,330,192.68, 1,995,584.04 and 383,489.52
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Solution
The fourth proportional to 1,330,192.68, 1,995,584.04 and 383,489.52 is: 575,319.33
Step by Step Solution
- Step 1: Write the proportion equation
1,330,192.68 : 1,995,584.04 = 383,489.52 : x - Step 2: Convert to fraction form
1,330,192.68/1,995,584.04 = 383,489.52/x - Step 3: Cross multiply
1,330,192.68x = 1,995,584.04 × 383,489.52 - Step 4: Simplify right side
1,330,192.68x = 765,285,565,619.26 - Step 5: Solve for x
x = 765,285,565,619.26/1,330,192.68 - Step 6: Final answer
x = 575,319.33
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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.