Finding the Fourth Proportional to 1,113,994.76, 1,670,473.74 and 403,994.12
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Solution
The fourth proportional to 1,113,994.76, 1,670,473.74 and 403,994.12 is: 605,803.18
Step by Step Solution
- Step 1: Write the proportion equation
1,113,994.76 : 1,670,473.74 = 403,994.12 : x - Step 2: Convert to fraction form
1,113,994.76/1,670,473.74 = 403,994.12/x - Step 3: Cross multiply
1,113,994.76x = 1,670,473.74 × 403,994.12 - Step 4: Simplify right side
1,113,994.76x = 674,861,568,574.41 - Step 5: Solve for x
x = 674,861,568,574.41/1,113,994.76 - Step 6: Final answer
x = 605,803.18
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1.5x scale
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.