Finding the Fourth Proportional to 1,018,741.14, 1,528,106.09 and 260,581.44
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Solution
The fourth proportional to 1,018,741.14, 1,528,106.09 and 260,581.44 is: 390,870.72
Step by Step Solution
- Step 1: Write the proportion equation
1,018,741.14 : 1,528,106.09 = 260,581.44 : x - Step 2: Convert to fraction form
1,018,741.14/1,528,106.09 = 260,581.44/x - Step 3: Cross multiply
1,018,741.14x = 1,528,106.09 × 260,581.44 - Step 4: Simplify right side
1,018,741.14x = 398,196,085,404.97 - Step 5: Solve for x
x = 398,196,085,404.97/1,018,741.14 - Step 6: Final answer
x = 390,870.72
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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.