Finding the Fourth Proportional to 1,203,903.91, 1,661,386.95 and 660,027.99
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Solution
The fourth proportional to 1,203,903.91, 1,661,386.95 and 660,027.99 is: 910,838.39
Step by Step Solution
- Step 1: Write the proportion equation
1,203,903.91 : 1,661,386.95 = 660,027.99 : x - Step 2: Convert to fraction form
1,203,903.91/1,661,386.95 = 660,027.99/x - Step 3: Cross multiply
1,203,903.91x = 1,661,386.95 × 660,027.99 - Step 4: Simplify right side
1,203,903.91x = 1,096,561,895,450.93 - Step 5: Solve for x
x = 1,096,561,895,450.93/1,203,903.91 - Step 6: Final answer
x = 910,838.39
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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.