Finding the Fourth Proportional to 1,335,362.88, 1,842,740.64 and 731,737.92
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Solution
The fourth proportional to 1,335,362.88, 1,842,740.64 and 731,737.92 is: 1,009,765.38
Step by Step Solution
- Step 1: Write the proportion equation
1,335,362.88 : 1,842,740.64 = 731,737.92 : x - Step 2: Convert to fraction form
1,335,362.88/1,842,740.64 = 731,737.92/x - Step 3: Cross multiply
1,335,362.88x = 1,842,740.64 × 731,737.92 - Step 4: Simplify right side
1,335,362.88x = 1,348,403,203,013.07 - Step 5: Solve for x
x = 1,348,403,203,013.07/1,335,362.88 - Step 6: Final answer
x = 1,009,765.38
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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.