Finding the Fourth Proportional to 1,167,987.97, 1,611,445.98 and 651,658.15
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Solution
The fourth proportional to 1,167,987.97, 1,611,445.98 and 651,658.15 is: 899,077.67
Step by Step Solution
- Step 1: Write the proportion equation
1,167,987.97 : 1,611,445.98 = 651,658.15 : x - Step 2: Convert to fraction form
1,167,987.97/1,611,445.98 = 651,658.15/x - Step 3: Cross multiply
1,167,987.97x = 1,611,445.98 × 651,658.15 - Step 4: Simplify right side
1,167,987.97x = 1,050,111,906,151.74 - Step 5: Solve for x
x = 1,050,111,906,151.74/1,167,987.97 - Step 6: Final answer
x = 899,077.67
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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.