Finding the Fourth Proportional to 1,202,146.56, 1,658,965.05 and 658,317.96
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Solution
The fourth proportional to 1,202,146.56, 1,658,965.05 and 658,317.96 is: 908,480.32
Step by Step Solution
- Step 1: Write the proportion equation
1,202,146.56 : 1,658,965.05 = 658,317.96 : x - Step 2: Convert to fraction form
1,202,146.56/1,658,965.05 = 658,317.96/x - Step 3: Cross multiply
1,202,146.56x = 1,658,965.05 × 658,317.96 - Step 4: Simplify right side
1,202,146.56x = 1,092,126,487,427.30 - Step 5: Solve for x
x = 1,092,126,487,427.30/1,202,146.56 - Step 6: Final answer
x = 908,480.32
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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.