Finding the Fourth Proportional to 1,336,764.88, 1,844,749.84 and 724,918.80
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Solution
The fourth proportional to 1,336,764.88, 1,844,749.84 and 724,918.80 is: 1,000,395.70
Step by Step Solution
- Step 1: Write the proportion equation
1,336,764.88 : 1,844,749.84 = 724,918.80 : x - Step 2: Convert to fraction form
1,336,764.88/1,844,749.84 = 724,918.80/x - Step 3: Cross multiply
1,336,764.88x = 1,844,749.84 × 724,918.80 - Step 4: Simplify right side
1,336,764.88x = 1,337,293,840,312.99 - Step 5: Solve for x
x = 1,337,293,840,312.99/1,336,764.88 - Step 6: Final answer
x = 1,000,395.70
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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.