Finding the Fourth Proportional to 1,172,318.15, 1,758,506.99 and 319,396.65
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Solution
The fourth proportional to 1,172,318.15, 1,758,506.99 and 319,396.65 is: 479,103.09
Step by Step Solution
- Step 1: Write the proportion equation
1,172,318.15 : 1,758,506.99 = 319,396.65 : x - Step 2: Convert to fraction form
1,172,318.15/1,758,506.99 = 319,396.65/x - Step 3: Cross multiply
1,172,318.15x = 1,758,506.99 × 319,396.65 - Step 4: Simplify right side
1,172,318.15x = 561,661,240,010.60 - Step 5: Solve for x
x = 561,661,240,010.60/1,172,318.15 - Step 6: Final answer
x = 479,103.09
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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.