Finding the Fourth Proportional to 1,291,592.18, 1,936,338.50 and 450,734.42
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Solution
The fourth proportional to 1,291,592.18, 1,936,338.50 and 450,734.42 is: 675,735.28
Step by Step Solution
- Step 1: Write the proportion equation
1,291,592.18 : 1,936,338.50 = 450,734.42 : x - Step 2: Convert to fraction form
1,291,592.18/1,936,338.50 = 450,734.42/x - Step 3: Cross multiply
1,291,592.18x = 1,936,338.50 × 450,734.42 - Step 4: Simplify right side
1,291,592.18x = 872,774,402,166.31 - Step 5: Solve for x
x = 872,774,402,166.31/1,291,592.18 - Step 6: Final answer
x = 675,735.28
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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.