Finding the Fourth Proportional to 1,080,120.42, 1,620,160.56 and 322,475.58
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Solution
The fourth proportional to 1,080,120.42, 1,620,160.56 and 322,475.58 is: 483,707.38
Step by Step Solution
- Step 1: Write the proportion equation
1,080,120.42 : 1,620,160.56 = 322,475.58 : x - Step 2: Convert to fraction form
1,080,120.42/1,620,160.56 = 322,475.58/x - Step 3: Cross multiply
1,080,120.42x = 1,620,160.56 × 322,475.58 - Step 4: Simplify right side
1,080,120.42x = 522,462,216,279.13 - Step 5: Solve for x
x = 522,462,216,279.13/1,080,120.42 - Step 6: Final answer
x = 483,707.38
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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.