Finding the Fourth Proportional to 1,186,220.26, 1,637,101.05 and 676,998.82
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Solution
The fourth proportional to 1,186,220.26, 1,637,101.05 and 676,998.82 is: 934,325.20
Step by Step Solution
- Step 1: Write the proportion equation
1,186,220.26 : 1,637,101.05 = 676,998.82 : x - Step 2: Convert to fraction form
1,186,220.26/1,637,101.05 = 676,998.82/x - Step 3: Cross multiply
1,186,220.26x = 1,637,101.05 × 676,998.82 - Step 4: Simplify right side
1,186,220.26x = 1,108,315,479,070.76 - Step 5: Solve for x
x = 1,108,315,479,070.76/1,186,220.26 - Step 6: Final answer
x = 934,325.20
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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.