Finding the Fourth Proportional to 1,202,167.78, 1,658,991.54 and 692,902.96
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Solution
The fourth proportional to 1,202,167.78, 1,658,991.54 and 692,902.96 is: 956,206.09
Step by Step Solution
- Step 1: Write the proportion equation
1,202,167.78 : 1,658,991.54 = 692,902.96 : x - Step 2: Convert to fraction form
1,202,167.78/1,658,991.54 = 692,902.96/x - Step 3: Cross multiply
1,202,167.78x = 1,658,991.54 × 692,902.96 - Step 4: Simplify right side
1,202,167.78x = 1,149,520,148,680.96 - Step 5: Solve for x
x = 1,149,520,148,680.96/1,202,167.78 - Step 6: Final answer
x = 956,206.09
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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.