Finding the Fourth Proportional to 1,343,733.86, 1,854,352.40 and 740,121.86
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Solution
The fourth proportional to 1,343,733.86, 1,854,352.40 and 740,121.86 is: 1,021,367.99
Step by Step Solution
- Step 1: Write the proportion equation
1,343,733.86 : 1,854,352.40 = 740,121.86 : x - Step 2: Convert to fraction form
1,343,733.86/1,854,352.40 = 740,121.86/x - Step 3: Cross multiply
1,343,733.86x = 1,854,352.40 × 740,121.86 - Step 4: Simplify right side
1,343,733.86x = 1,372,446,747,383.46 - Step 5: Solve for x
x = 1,372,446,747,383.46/1,343,733.86 - Step 6: Final answer
x = 1,021,367.99
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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.