Finding the Fourth Proportional to 1,267,299.99, 1,900,917.18 and 425,851.74
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Solution
The fourth proportional to 1,267,299.99, 1,900,917.18 and 425,851.74 is: 638,766.59
Step by Step Solution
- Step 1: Write the proportion equation
1,267,299.99 : 1,900,917.18 = 425,851.74 : x - Step 2: Convert to fraction form
1,267,299.99/1,900,917.18 = 425,851.74/x - Step 3: Cross multiply
1,267,299.99x = 1,900,917.18 × 425,851.74 - Step 4: Simplify right side
1,267,299.99x = 809,508,894,515.82 - Step 5: Solve for x
x = 809,508,894,515.82/1,267,299.99 - Step 6: Final answer
x = 638,766.59
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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.