Finding the Fourth Proportional to 1,406,125.05, 1,940,442.88 and 761,530.48
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Solution
The fourth proportional to 1,406,125.05, 1,940,442.88 and 761,530.48 is: 1,050,906.82
Step by Step Solution
- Step 1: Write the proportion equation
1,406,125.05 : 1,940,442.88 = 761,530.48 : x - Step 2: Convert to fraction form
1,406,125.05/1,940,442.88 = 761,530.48/x - Step 3: Cross multiply
1,406,125.05x = 1,940,442.88 × 761,530.48 - Step 4: Simplify right side
1,406,125.05x = 1,477,706,397,818.98 - Step 5: Solve for x
x = 1,477,706,397,818.98/1,406,125.05 - Step 6: Final answer
x = 1,050,906.82
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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.