Finding the Fourth Proportional to 1,172,495.70, 1,758,743.55 and 1,107,177.30
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Solution
The fourth proportional to 1,172,495.70, 1,758,743.55 and 1,107,177.30 is: 1,660,765.95
Step by Step Solution
- Step 1: Write the proportion equation
1,172,495.70 : 1,758,743.55 = 1,107,177.30 : x - Step 2: Convert to fraction form
1,172,495.70/1,758,743.55 = 1,107,177.30/x - Step 3: Cross multiply
1,172,495.70x = 1,758,743.55 × 1,107,177.30 - Step 4: Simplify right side
1,172,495.70x = 1,947,240,935,081.42 - Step 5: Solve for x
x = 1,947,240,935,081.42/1,172,495.70 - Step 6: Final answer
x = 1,660,765.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.