Finding the Fourth Proportional to 1,184,638.01, 1,634,659.95 and 668,361.80
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Solution
The fourth proportional to 1,184,638.01, 1,634,659.95 and 668,361.80 is: 922,260.02
Step by Step Solution
- Step 1: Write the proportion equation
1,184,638.01 : 1,634,659.95 = 668,361.80 : x - Step 2: Convert to fraction form
1,184,638.01/1,634,659.95 = 668,361.80/x - Step 3: Cross multiply
1,184,638.01x = 1,634,659.95 × 668,361.80 - Step 4: Simplify right side
1,184,638.01x = 1,092,544,266,569.91 - Step 5: Solve for x
x = 1,092,544,266,569.91/1,184,638.01 - Step 6: Final answer
x = 922,260.02
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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.