Finding the Fourth Proportional to 1,120,424.99, 1,546,128.74 and 611,028.95
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Solution
The fourth proportional to 1,120,424.99, 1,546,128.74 and 611,028.95 is: 843,188.46
Step by Step Solution
- Step 1: Write the proportion equation
1,120,424.99 : 1,546,128.74 = 611,028.95 : x - Step 2: Convert to fraction form
1,120,424.99/1,546,128.74 = 611,028.95/x - Step 3: Cross multiply
1,120,424.99x = 1,546,128.74 × 611,028.95 - Step 4: Simplify right side
1,120,424.99x = 944,729,414,363.95 - Step 5: Solve for x
x = 944,729,414,363.95/1,120,424.99 - Step 6: Final answer
x = 843,188.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.