Finding the Fourth Proportional to 1,343,998.68, 1,854,717.36 and 740,386.68
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Solution
The fourth proportional to 1,343,998.68, 1,854,717.36 and 740,386.68 is: 1,021,733.17
Step by Step Solution
- Step 1: Write the proportion equation
1,343,998.68 : 1,854,717.36 = 740,386.68 : x - Step 2: Convert to fraction form
1,343,998.68/1,854,717.36 = 740,386.68/x - Step 3: Cross multiply
1,343,998.68x = 1,854,717.36 × 740,386.68 - Step 4: Simplify right side
1,343,998.68x = 1,373,208,023,642.94 - Step 5: Solve for x
x = 1,373,208,023,642.94/1,343,998.68 - Step 6: Final answer
x = 1,021,733.17
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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.