Finding the Fourth Proportional to 1,305,499.68, 1,801,495.08 and 724,753.98
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Solution
The fourth proportional to 1,305,499.68, 1,801,495.08 and 724,753.98 is: 1,000,108.04
Step by Step Solution
- Step 1: Write the proportion equation
1,305,499.68 : 1,801,495.08 = 724,753.98 : x - Step 2: Convert to fraction form
1,305,499.68/1,801,495.08 = 724,753.98/x - Step 3: Cross multiply
1,305,499.68x = 1,801,495.08 × 724,753.98 - Step 4: Simplify right side
1,305,499.68x = 1,305,640,729,180.42 - Step 5: Solve for x
x = 1,305,640,729,180.42/1,305,499.68 - Step 6: Final answer
x = 1,000,108.04
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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.