Finding the Fourth Proportional to 1,459,987.70, 2,014,722.05 and 839,745.68
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Solution
The fourth proportional to 1,459,987.70, 2,014,722.05 and 839,745.68 is: 1,158,813.96
Step by Step Solution
- Step 1: Write the proportion equation
1,459,987.70 : 2,014,722.05 = 839,745.68 : x - Step 2: Convert to fraction form
1,459,987.70/2,014,722.05 = 839,745.68/x - Step 3: Cross multiply
1,459,987.70x = 2,014,722.05 × 839,745.68 - Step 4: Simplify right side
1,459,987.70x = 1,691,854,123,615.91 - Step 5: Solve for x
x = 1,691,854,123,615.91/1,459,987.70 - Step 6: Final answer
x = 1,158,813.96
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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.