Finding the Fourth Proportional to 1,379,010.17, 2,068,515.26 and 432,454.70
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Solution
The fourth proportional to 1,379,010.17, 2,068,515.26 and 432,454.70 is: 648,682.05
Step by Step Solution
- Step 1: Write the proportion equation
1,379,010.17 : 2,068,515.26 = 432,454.70 : x - Step 2: Convert to fraction form
1,379,010.17/2,068,515.26 = 432,454.70/x - Step 3: Cross multiply
1,379,010.17x = 2,068,515.26 × 432,454.70 - Step 4: Simplify right side
1,379,010.17x = 894,539,146,208.72 - Step 5: Solve for x
x = 894,539,146,208.72/1,379,010.17 - Step 6: Final answer
x = 648,682.05
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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.