Finding the Fourth Proportional to 1,363,398.09, 1,881,474.05 and 743,189.68
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Solution
The fourth proportional to 1,363,398.09, 1,881,474.05 and 743,189.68 is: 1,025,593.41
Step by Step Solution
- Step 1: Write the proportion equation
1,363,398.09 : 1,881,474.05 = 743,189.68 : x - Step 2: Convert to fraction form
1,363,398.09/1,881,474.05 = 743,189.68/x - Step 3: Cross multiply
1,363,398.09x = 1,881,474.05 × 743,189.68 - Step 4: Simplify right side
1,363,398.09x = 1,398,292,088,194.56 - Step 5: Solve for x
x = 1,398,292,088,194.56/1,363,398.09 - Step 6: Final answer
x = 1,025,593.41
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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.