Finding the Fourth Proportional to 1,195,420.88, 1,649,682.07 and 651,557.12
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Solution
The fourth proportional to 1,195,420.88, 1,649,682.07 and 651,557.12 is: 899,149.50
Step by Step Solution
- Step 1: Write the proportion equation
1,195,420.88 : 1,649,682.07 = 651,557.12 : x - Step 2: Convert to fraction form
1,195,420.88/1,649,682.07 = 651,557.12/x - Step 3: Cross multiply
1,195,420.88x = 1,649,682.07 × 651,557.12 - Step 4: Simplify right side
1,195,420.88x = 1,074,862,090,196.43 - Step 5: Solve for x
x = 1,074,862,090,196.43/1,195,420.88 - Step 6: Final answer
x = 899,149.50
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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.