Finding the Fourth Proportional to 1,406,166.30, 1,940,508.84 and 761,586.48
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Solution
The fourth proportional to 1,406,166.30, 1,940,508.84 and 761,586.48 is: 1,050,988.99
Step by Step Solution
- Step 1: Write the proportion equation
1,406,166.30 : 1,940,508.84 = 761,586.48 : x - Step 2: Convert to fraction form
1,406,166.30/1,940,508.84 = 761,586.48/x - Step 3: Cross multiply
1,406,166.30x = 1,940,508.84 × 761,586.48 - Step 4: Simplify right side
1,406,166.30x = 1,477,865,296,864.48 - Step 5: Solve for x
x = 1,477,865,296,864.48/1,406,166.30 - Step 6: Final answer
x = 1,050,988.99
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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.