Finding the Fourth Proportional to 1,266,310.16, 1,747,501.64 and 693,339.92
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Solution
The fourth proportional to 1,266,310.16, 1,747,501.64 and 693,339.92 is: 956,805.60
Step by Step Solution
- Step 1: Write the proportion equation
1,266,310.16 : 1,747,501.64 = 693,339.92 : x - Step 2: Convert to fraction form
1,266,310.16/1,747,501.64 = 693,339.92/x - Step 3: Cross multiply
1,266,310.16x = 1,747,501.64 × 693,339.92 - Step 4: Simplify right side
1,266,310.16x = 1,211,612,647,277.47 - Step 5: Solve for x
x = 1,211,612,647,277.47/1,266,310.16 - Step 6: Final answer
x = 956,805.60
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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.