Finding the Fourth Proportional to 1,280,457.71, 1,920,440.12 and 597,156.99
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Solution
The fourth proportional to 1,280,457.71, 1,920,440.12 and 597,156.99 is: 895,620.55
Step by Step Solution
- Step 1: Write the proportion equation
1,280,457.71 : 1,920,440.12 = 597,156.99 : x - Step 2: Convert to fraction form
1,280,457.71/1,920,440.12 = 597,156.99/x - Step 3: Cross multiply
1,280,457.71x = 1,920,440.12 × 597,156.99 - Step 4: Simplify right side
1,280,457.71x = 1,146,804,238,548.65 - Step 5: Solve for x
x = 1,146,804,238,548.65/1,280,457.71 - Step 6: Final answer
x = 895,620.55
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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.