Finding the Fourth Proportional to 1,087,277.34, 1,631,491.92 and 790,209.84
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Solution
The fourth proportional to 1,087,277.34, 1,631,491.92 and 790,209.84 is: 1,185,733.32
Step by Step Solution
- Step 1: Write the proportion equation
1,087,277.34 : 1,631,491.92 = 790,209.84 : x - Step 2: Convert to fraction form
1,087,277.34/1,631,491.92 = 790,209.84/x - Step 3: Cross multiply
1,087,277.34x = 1,631,491.92 × 790,209.84 - Step 4: Simplify right side
1,087,277.34x = 1,289,220,969,064.49 - Step 5: Solve for x
x = 1,289,220,969,064.49/1,087,277.34 - Step 6: Final answer
x = 1,185,733.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.