Finding the Fourth Proportional to 1,363,719.12, 1,881,768.08 and 782,910.24
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Solution
The fourth proportional to 1,363,719.12, 1,881,768.08 and 782,910.24 is: 1,080,321.80
Step by Step Solution
- Step 1: Write the proportion equation
1,363,719.12 : 1,881,768.08 = 782,910.24 : x - Step 2: Convert to fraction form
1,363,719.12/1,881,768.08 = 782,910.24/x - Step 3: Cross multiply
1,363,719.12x = 1,881,768.08 × 782,910.24 - Step 4: Simplify right side
1,363,719.12x = 1,473,255,499,137.14 - Step 5: Solve for x
x = 1,473,255,499,137.14/1,363,719.12 - Step 6: Final answer
x = 1,080,321.80
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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.