Finding the Fourth Proportional to 1,343,998.49, 1,854,717.10 and 740,386.49
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Solution
The fourth proportional to 1,343,998.49, 1,854,717.10 and 740,386.49 is: 1,021,732.91
Step by Step Solution
- Step 1: Write the proportion equation
1,343,998.49 : 1,854,717.10 = 740,386.49 : x - Step 2: Convert to fraction form
1,343,998.49/1,854,717.10 = 740,386.49/x - Step 3: Cross multiply
1,343,998.49x = 1,854,717.10 × 740,386.49 - Step 4: Simplify right side
1,343,998.49x = 1,373,207,485,002.55 - Step 5: Solve for x
x = 1,373,207,485,002.55/1,343,998.49 - Step 6: Final answer
x = 1,021,732.91
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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.