Finding the Fourth Proportional to 1,560,424.92, 2,340,681.12 and 762,344.88
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Solution
The fourth proportional to 1,560,424.92, 2,340,681.12 and 762,344.88 is: 1,143,538.69
Step by Step Solution
- Step 1: Write the proportion equation
1,560,424.92 : 2,340,681.12 = 762,344.88 : x - Step 2: Convert to fraction form
1,560,424.92/2,340,681.12 = 762,344.88/x - Step 3: Cross multiply
1,560,424.92x = 2,340,681.12 × 762,344.88 - Step 4: Simplify right side
1,560,424.92x = 1,784,406,267,544.67 - Step 5: Solve for x
x = 1,784,406,267,544.67/1,560,424.92 - Step 6: Final answer
x = 1,143,538.69
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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.