Finding the Fourth Proportional to 1,181,985.98, 1,631,220.08 and 658,777.95
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Solution
The fourth proportional to 1,181,985.98, 1,631,220.08 and 658,777.95 is: 909,157.84
Step by Step Solution
- Step 1: Write the proportion equation
1,181,985.98 : 1,631,220.08 = 658,777.95 : x - Step 2: Convert to fraction form
1,181,985.98/1,631,220.08 = 658,777.95/x - Step 3: Cross multiply
1,181,985.98x = 1,631,220.08 × 658,777.95 - Step 4: Simplify right side
1,181,985.98x = 1,074,611,817,007.35 - Step 5: Solve for x
x = 1,074,611,817,007.35/1,181,985.98 - Step 6: Final answer
x = 909,157.84
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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.