Finding the Fourth Proportional to 1,128,700.32, 1,557,625.44 and 619,450.08
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Solution
The fourth proportional to 1,128,700.32, 1,557,625.44 and 619,450.08 is: 854,851.54
Step by Step Solution
- Step 1: Write the proportion equation
1,128,700.32 : 1,557,625.44 = 619,450.08 : x - Step 2: Convert to fraction form
1,128,700.32/1,557,625.44 = 619,450.08/x - Step 3: Cross multiply
1,128,700.32x = 1,557,625.44 × 619,450.08 - Step 4: Simplify right side
1,128,700.32x = 964,871,203,418.04 - Step 5: Solve for x
x = 964,871,203,418.04/1,128,700.32 - Step 6: Final answer
x = 854,851.54
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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.