Finding the Fourth Proportional to 1,201,672.13, 1,658,307.41 and 657,808.29
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Solution
The fourth proportional to 1,201,672.13, 1,658,307.41 and 657,808.29 is: 907,775.37
Step by Step Solution
- Step 1: Write the proportion equation
1,201,672.13 : 1,658,307.41 = 657,808.29 : x - Step 2: Convert to fraction form
1,201,672.13/1,658,307.41 = 657,808.29/x - Step 3: Cross multiply
1,201,672.13x = 1,658,307.41 × 657,808.29 - Step 4: Simplify right side
1,201,672.13x = 1,090,848,355,019.41 - Step 5: Solve for x
x = 1,090,848,355,019.41/1,201,672.13 - Step 6: Final answer
x = 907,775.37
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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.