Finding the Fourth Proportional to 1,201,672.91, 1,658,308.49 and 657,809.07
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Solution
The fourth proportional to 1,201,672.91, 1,658,308.49 and 657,809.07 is: 907,776.45
Step by Step Solution
- Step 1: Write the proportion equation
1,201,672.91 : 1,658,308.49 = 657,809.07 : x - Step 2: Convert to fraction form
1,201,672.91/1,658,308.49 = 657,809.07/x - Step 3: Cross multiply
1,201,672.91x = 1,658,308.49 × 657,809.07 - Step 4: Simplify right side
1,201,672.91x = 1,090,850,365,580.00 - Step 5: Solve for x
x = 1,090,850,365,580.00/1,201,672.91 - Step 6: Final answer
x = 907,776.45
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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.