Finding the Fourth Proportional to 1,266,372.59, 1,747,576.76 and 693,412.79
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Solution
The fourth proportional to 1,266,372.59, 1,747,576.76 and 693,412.79 is: 956,900.11
Step by Step Solution
- Step 1: Write the proportion equation
1,266,372.59 : 1,747,576.76 = 693,412.79 : x - Step 2: Convert to fraction form
1,266,372.59/1,747,576.76 = 693,412.79/x - Step 3: Cross multiply
1,266,372.59x = 1,747,576.76 × 693,412.79 - Step 4: Simplify right side
1,266,372.59x = 1,211,792,073,423.70 - Step 5: Solve for x
x = 1,211,792,073,423.70/1,266,372.59 - Step 6: Final answer
x = 956,900.11
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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.