Finding the Fourth Proportional to 1,266,856.29, 1,747,599.17 and 783,266.85
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Solution
The fourth proportional to 1,266,856.29, 1,747,599.17 and 783,266.85 is: 1,080,498.64
Step by Step Solution
- Step 1: Write the proportion equation
1,266,856.29 : 1,747,599.17 = 783,266.85 : x - Step 2: Convert to fraction form
1,266,856.29/1,747,599.17 = 783,266.85/x - Step 3: Cross multiply
1,266,856.29x = 1,747,599.17 × 783,266.85 - Step 4: Simplify right side
1,266,856.29x = 1,368,836,493,032.18 - Step 5: Solve for x
x = 1,368,836,493,032.18/1,266,856.29 - Step 6: Final answer
x = 1,080,498.64
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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.