Finding the Fourth Proportional to 1,266,988.62, 1,748,472.53 and 723,113.46
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Solution
The fourth proportional to 1,266,988.62, 1,748,472.53 and 723,113.46 is: 997,912.69
Step by Step Solution
- Step 1: Write the proportion equation
1,266,988.62 : 1,748,472.53 = 723,113.46 : x - Step 2: Convert to fraction form
1,266,988.62/1,748,472.53 = 723,113.46/x - Step 3: Cross multiply
1,266,988.62x = 1,748,472.53 × 723,113.46 - Step 4: Simplify right side
1,266,988.62x = 1,264,344,017,267.69 - Step 5: Solve for x
x = 1,264,344,017,267.69/1,266,988.62 - Step 6: Final answer
x = 997,912.69
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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.