Finding the Fourth Proportional to 1,201,938.42, 1,658,755.06 and 692,673.60
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Solution
The fourth proportional to 1,201,938.42, 1,658,755.06 and 692,673.60 is: 955,935.70
Step by Step Solution
- Step 1: Write the proportion equation
1,201,938.42 : 1,658,755.06 = 692,673.60 : x - Step 2: Convert to fraction form
1,201,938.42/1,658,755.06 = 692,673.60/x - Step 3: Cross multiply
1,201,938.42x = 1,658,755.06 × 692,673.60 - Step 4: Simplify right side
1,201,938.42x = 1,148,975,838,928.42 - Step 5: Solve for x
x = 1,148,975,838,928.42/1,201,938.42 - Step 6: Final answer
x = 955,935.70
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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.