Finding the Fourth Proportional to 1,124,109.68, 1,551,297.84 and 640,719.68
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Solution
The fourth proportional to 1,124,109.68, 1,551,297.84 and 640,719.68 is: 884,208.25
Step by Step Solution
- Step 1: Write the proportion equation
1,124,109.68 : 1,551,297.84 = 640,719.68 : x - Step 2: Convert to fraction form
1,124,109.68/1,551,297.84 = 640,719.68/x - Step 3: Cross multiply
1,124,109.68x = 1,551,297.84 × 640,719.68 - Step 4: Simplify right side
1,124,109.68x = 993,947,055,629.49 - Step 5: Solve for x
x = 993,947,055,629.49/1,124,109.68 - Step 6: Final answer
x = 884,208.25
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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.