Finding the Fourth Proportional to 1,201,685.41, 1,658,325.74 and 657,821.57
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Solution
The fourth proportional to 1,201,685.41, 1,658,325.74 and 657,821.57 is: 907,793.69
Step by Step Solution
- Step 1: Write the proportion equation
1,201,685.41 : 1,658,325.74 = 657,821.57 : x - Step 2: Convert to fraction form
1,201,685.41/1,658,325.74 = 657,821.57/x - Step 3: Cross multiply
1,201,685.41x = 1,658,325.74 × 657,821.57 - Step 4: Simplify right side
1,201,685.41x = 1,090,882,430,277.48 - Step 5: Solve for x
x = 1,090,882,430,277.48/1,201,685.41 - Step 6: Final answer
x = 907,793.69
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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.