Finding the Fourth Proportional to 1,318,827.08, 1,820,079.24 and 738,108.56
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Solution
The fourth proportional to 1,318,827.08, 1,820,079.24 and 738,108.56 is: 1,018,644.59
Step by Step Solution
- Step 1: Write the proportion equation
1,318,827.08 : 1,820,079.24 = 738,108.56 : x - Step 2: Convert to fraction form
1,318,827.08/1,820,079.24 = 738,108.56/x - Step 3: Cross multiply
1,318,827.08x = 1,820,079.24 × 738,108.56 - Step 4: Simplify right side
1,318,827.08x = 1,343,416,066,922.29 - Step 5: Solve for x
x = 1,343,416,066,922.29/1,318,827.08 - Step 6: Final answer
x = 1,018,644.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.