Finding the Fourth Proportional to 1,368,142.44, 1,888,058.34 and 764,569.32
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Solution
The fourth proportional to 1,368,142.44, 1,888,058.34 and 764,569.32 is: 1,055,117.83
Step by Step Solution
- Step 1: Write the proportion equation
1,368,142.44 : 1,888,058.34 = 764,569.32 : x - Step 2: Convert to fraction form
1,368,142.44/1,888,058.34 = 764,569.32/x - Step 3: Cross multiply
1,368,142.44x = 1,888,058.34 × 764,569.32 - Step 4: Simplify right side
1,368,142.44x = 1,443,551,481,134.13 - Step 5: Solve for x
x = 1,443,551,481,134.13/1,368,142.44 - Step 6: Final answer
x = 1,055,117.83
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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.