Finding the Fourth Proportional to 1,305,337.01, 1,801,479.07 and 761,647.96
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Solution
The fourth proportional to 1,305,337.01, 1,801,479.07 and 761,647.96 is: 1,051,140.70
Step by Step Solution
- Step 1: Write the proportion equation
1,305,337.01 : 1,801,479.07 = 761,647.96 : x - Step 2: Convert to fraction form
1,305,337.01/1,801,479.07 = 761,647.96/x - Step 3: Cross multiply
1,305,337.01x = 1,801,479.07 × 761,647.96 - Step 4: Simplify right side
1,305,337.01x = 1,372,092,858,648.20 - Step 5: Solve for x
x = 1,372,092,858,648.20/1,305,337.01 - Step 6: Final answer
x = 1,051,140.70
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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.