Finding the Fourth Proportional to 1,266,870.84, 1,748,310.17 and 722,995.80
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Solution
The fourth proportional to 1,266,870.84, 1,748,310.17 and 722,995.80 is: 997,750.42
Step by Step Solution
- Step 1: Write the proportion equation
1,266,870.84 : 1,748,310.17 = 722,995.80 : x - Step 2: Convert to fraction form
1,266,870.84/1,748,310.17 = 722,995.80/x - Step 3: Cross multiply
1,266,870.84x = 1,748,310.17 × 722,995.80 - Step 4: Simplify right side
1,266,870.84x = 1,264,020,910,007.29 - Step 5: Solve for x
x = 1,264,020,910,007.29/1,266,870.84 - Step 6: Final answer
x = 997,750.42
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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.