Finding the Fourth Proportional to 1,119,774.67, 1,679,663.31 and 278,326.42
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Solution
The fourth proportional to 1,119,774.67, 1,679,663.31 and 278,326.42 is: 417,489.95
Step by Step Solution
- Step 1: Write the proportion equation
1,119,774.67 : 1,679,663.31 = 278,326.42 : x - Step 2: Convert to fraction form
1,119,774.67/1,679,663.31 = 278,326.42/x - Step 3: Cross multiply
1,119,774.67x = 1,679,663.31 × 278,326.42 - Step 4: Simplify right side
1,119,774.67x = 467,494,675,877.65 - Step 5: Solve for x
x = 467,494,675,877.65/1,119,774.67 - Step 6: Final answer
x = 417,489.95
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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.