Finding the Fourth Proportional to 1,059,440.10, 1,589,209.12 and 349,530.18
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Solution
The fourth proportional to 1,059,440.10, 1,589,209.12 and 349,530.18 is: 524,311.43
Step by Step Solution
- Step 1: Write the proportion equation
1,059,440.10 : 1,589,209.12 = 349,530.18 : x - Step 2: Convert to fraction form
1,059,440.10/1,589,209.12 = 349,530.18/x - Step 3: Cross multiply
1,059,440.10x = 1,589,209.12 × 349,530.18 - Step 4: Simplify right side
1,059,440.10x = 555,476,549,771.24 - Step 5: Solve for x
x = 555,476,549,771.24/1,059,440.10 - Step 6: Final answer
x = 524,311.43
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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.