Finding the Fourth Proportional to 1,258,148.55, 1,885,649.00 and 990,853.41
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Solution
The fourth proportional to 1,258,148.55, 1,885,649.00 and 990,853.41 is: 1,485,040.65
Step by Step Solution
- Step 1: Write the proportion equation
1,258,148.55 : 1,885,649.00 = 990,853.41 : x - Step 2: Convert to fraction form
1,258,148.55/1,885,649.00 = 990,853.41/x - Step 3: Cross multiply
1,258,148.55x = 1,885,649.00 × 990,853.41 - Step 4: Simplify right side
1,258,148.55x = 1,868,401,736,758.82 - Step 5: Solve for x
x = 1,868,401,736,758.82/1,258,148.55 - Step 6: Final answer
x = 1,485,040.65
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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.