Finding the Fourth Proportional to 1,239,052.10, 1,710,000.11 and 722,972.26
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Solution
The fourth proportional to 1,239,052.10, 1,710,000.11 and 722,972.26 is: 997,764.86
Step by Step Solution
- Step 1: Write the proportion equation
1,239,052.10 : 1,710,000.11 = 722,972.26 : x - Step 2: Convert to fraction form
1,239,052.10/1,710,000.11 = 722,972.26/x - Step 3: Cross multiply
1,239,052.10x = 1,710,000.11 × 722,972.26 - Step 4: Simplify right side
1,239,052.10x = 1,236,282,644,126.95 - Step 5: Solve for x
x = 1,236,282,644,126.95/1,239,052.10 - Step 6: Final answer
x = 997,764.86
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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.