Finding the Fourth Proportional to 1,380,731.62, 1,904,952.98 and 807,365.84
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Solution
The fourth proportional to 1,380,731.62, 1,904,952.98 and 807,365.84 is: 1,113,897.84
Step by Step Solution
- Step 1: Write the proportion equation
1,380,731.62 : 1,904,952.98 = 807,365.84 : x - Step 2: Convert to fraction form
1,380,731.62/1,904,952.98 = 807,365.84/x - Step 3: Cross multiply
1,380,731.62x = 1,904,952.98 × 807,365.84 - Step 4: Simplify right side
1,380,731.62x = 1,537,993,962,858.20 - Step 5: Solve for x
x = 1,537,993,962,858.20/1,380,731.62 - Step 6: Final answer
x = 1,113,897.84
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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.