Finding the Fourth Proportional to 1,125,468.65, 1,687,677.53 and 405,715.57
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Solution
The fourth proportional to 1,125,468.65, 1,687,677.53 and 405,715.57 is: 608,383.94
Step by Step Solution
- Step 1: Write the proportion equation
1,125,468.65 : 1,687,677.53 = 405,715.57 : x - Step 2: Convert to fraction form
1,125,468.65/1,687,677.53 = 405,715.57/x - Step 3: Cross multiply
1,125,468.65x = 1,687,677.53 × 405,715.57 - Step 4: Simplify right side
1,125,468.65x = 684,717,047,855.24 - Step 5: Solve for x
x = 684,717,047,855.24/1,125,468.65 - Step 6: Final answer
x = 608,383.94
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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.