Finding the Fourth Proportional to 1,201,591.74, 1,658,199.09 and 657,762.27
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Solution
The fourth proportional to 1,201,591.74, 1,658,199.09 and 657,762.27 is: 907,713.29
Step by Step Solution
- Step 1: Write the proportion equation
1,201,591.74 : 1,658,199.09 = 657,762.27 : x - Step 2: Convert to fraction form
1,201,591.74/1,658,199.09 = 657,762.27/x - Step 3: Cross multiply
1,201,591.74x = 1,658,199.09 × 657,762.27 - Step 4: Simplify right side
1,201,591.74x = 1,090,700,793,798.70 - Step 5: Solve for x
x = 1,090,700,793,798.70/1,201,591.74 - Step 6: Final answer
x = 907,713.29
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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.