Finding the Fourth Proportional to 1,366,119.18, 2,048,712.21 and 860,368.14
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Solution
The fourth proportional to 1,366,119.18, 2,048,712.21 and 860,368.14 is: 1,290,258.38
Step by Step Solution
- Step 1: Write the proportion equation
1,366,119.18 : 2,048,712.21 = 860,368.14 : x - Step 2: Convert to fraction form
1,366,119.18/2,048,712.21 = 860,368.14/x - Step 3: Cross multiply
1,366,119.18x = 2,048,712.21 × 860,368.14 - Step 4: Simplify right side
1,366,119.18x = 1,762,646,713,512.99 - Step 5: Solve for x
x = 1,762,646,713,512.99/1,366,119.18 - Step 6: Final answer
x = 1,290,258.38
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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.