Finding the Fourth Proportional to 1,365,840.11, 1,884,809.94 and 753,979.73
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Solution
The fourth proportional to 1,365,840.11, 1,884,809.94 and 753,979.73 is: 1,040,464.75
Step by Step Solution
- Step 1: Write the proportion equation
1,365,840.11 : 1,884,809.94 = 753,979.73 : x - Step 2: Convert to fraction form
1,365,840.11/1,884,809.94 = 753,979.73/x - Step 3: Cross multiply
1,365,840.11x = 1,884,809.94 × 753,979.73 - Step 4: Simplify right side
1,365,840.11x = 1,421,108,480,238.47 - Step 5: Solve for x
x = 1,421,108,480,238.47/1,365,840.11 - Step 6: Final answer
x = 1,040,464.75
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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.