Finding the Fourth Proportional to 1,272,949.48, 1,909,155.29 and 374,146.75
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Solution
The fourth proportional to 1,272,949.48, 1,909,155.29 and 374,146.75 is: 561,141.08
Step by Step Solution
- Step 1: Write the proportion equation
1,272,949.48 : 1,909,155.29 = 374,146.75 : x - Step 2: Convert to fraction form
1,272,949.48/1,909,155.29 = 374,146.75/x - Step 3: Cross multiply
1,272,949.48x = 1,909,155.29 × 374,146.75 - Step 4: Simplify right side
1,272,949.48x = 714,304,243,161.29 - Step 5: Solve for x
x = 714,304,243,161.29/1,272,949.48 - Step 6: Final answer
x = 561,141.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.