Finding the Fourth Proportional to 1,215,064.99, 1,676,757.18 and 671,189.10
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Solution
The fourth proportional to 1,215,064.99, 1,676,757.18 and 671,189.10 is: 926,223.00
Step by Step Solution
- Step 1: Write the proportion equation
1,215,064.99 : 1,676,757.18 = 671,189.10 : x - Step 2: Convert to fraction form
1,215,064.99/1,676,757.18 = 671,189.10/x - Step 3: Cross multiply
1,215,064.99x = 1,676,757.18 × 671,189.10 - Step 4: Simplify right side
1,215,064.99x = 1,125,421,142,562.74 - Step 5: Solve for x
x = 1,125,421,142,562.74/1,215,064.99 - Step 6: Final answer
x = 926,223.00
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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.