Finding the Fourth Proportional to 1,281,491.44, 1,768,402.19 and 700,703.62
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Solution
The fourth proportional to 1,281,491.44, 1,768,402.19 and 700,703.62 is: 966,940.37
Step by Step Solution
- Step 1: Write the proportion equation
1,281,491.44 : 1,768,402.19 = 700,703.62 : x - Step 2: Convert to fraction form
1,281,491.44/1,768,402.19 = 700,703.62/x - Step 3: Cross multiply
1,281,491.44x = 1,768,402.19 × 700,703.62 - Step 4: Simplify right side
1,281,491.44x = 1,239,125,812,645.41 - Step 5: Solve for x
x = 1,239,125,812,645.41/1,281,491.44 - Step 6: Final answer
x = 966,940.37
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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.