Finding the Fourth Proportional to 1,259,226.36, 1,737,681.66 and 686,254.20
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Solution
The fourth proportional to 1,259,226.36, 1,737,681.66 and 686,254.20 is: 947,003.16
Step by Step Solution
- Step 1: Write the proportion equation
1,259,226.36 : 1,737,681.66 = 686,254.20 : x - Step 2: Convert to fraction form
1,259,226.36/1,737,681.66 = 686,254.20/x - Step 3: Cross multiply
1,259,226.36x = 1,737,681.66 × 686,254.20 - Step 4: Simplify right side
1,259,226.36x = 1,192,491,337,437.97 - Step 5: Solve for x
x = 1,192,491,337,437.97/1,259,226.36 - Step 6: Final answer
x = 947,003.16
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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.