Finding the Fourth Proportional to 1,388,453.52, 2,080,302.84 and 757,809.84
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Solution
The fourth proportional to 1,388,453.52, 2,080,302.84 and 757,809.84 is: 1,135,417.17
Step by Step Solution
- Step 1: Write the proportion equation
1,388,453.52 : 2,080,302.84 = 757,809.84 : x - Step 2: Convert to fraction form
1,388,453.52/2,080,302.84 = 757,809.84/x - Step 3: Cross multiply
1,388,453.52x = 2,080,302.84 × 757,809.84 - Step 4: Simplify right side
1,388,453.52x = 1,576,473,962,331.95 - Step 5: Solve for x
x = 1,576,473,962,331.95/1,388,453.52 - Step 6: Final answer
x = 1,135,417.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.