Finding the Fourth Proportional to 1,124,420.69, 1,551,712.80 and 615,112.13
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Solution
The fourth proportional to 1,124,420.69, 1,551,712.80 and 615,112.13 is: 848,861.44
Step by Step Solution
- Step 1: Write the proportion equation
1,124,420.69 : 1,551,712.80 = 615,112.13 : x - Step 2: Convert to fraction form
1,124,420.69/1,551,712.80 = 615,112.13/x - Step 3: Cross multiply
1,124,420.69x = 1,551,712.80 × 615,112.13 - Step 4: Simplify right side
1,124,420.69x = 954,477,365,556.26 - Step 5: Solve for x
x = 954,477,365,556.26/1,124,420.69 - Step 6: Final answer
x = 848,861.44
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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.