Finding the Fourth Proportional to 1,343,740.92, 1,854,362.34 and 740,128.92
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Solution
The fourth proportional to 1,343,740.92, 1,854,362.34 and 740,128.92 is: 1,021,377.84
Step by Step Solution
- Step 1: Write the proportion equation
1,343,740.92 : 1,854,362.34 = 740,128.92 : x - Step 2: Convert to fraction form
1,343,740.92/1,854,362.34 = 740,128.92/x - Step 3: Cross multiply
1,343,740.92x = 1,854,362.34 × 740,128.92 - Step 4: Simplify right side
1,343,740.92x = 1,372,467,195,992.87 - Step 5: Solve for x
x = 1,372,467,195,992.87/1,343,740.92 - Step 6: Final answer
x = 1,021,377.84
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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.