Finding the Fourth Proportional to 1,283,376.68, 1,926,957.42 and 715,866.56
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Solution
The fourth proportional to 1,283,376.68, 1,926,957.42 and 715,866.56 is: 1,074,855.42
Step by Step Solution
- Step 1: Write the proportion equation
1,283,376.68 : 1,926,957.42 = 715,866.56 : x - Step 2: Convert to fraction form
1,283,376.68/1,926,957.42 = 715,866.56/x - Step 3: Cross multiply
1,283,376.68x = 1,926,957.42 × 715,866.56 - Step 4: Simplify right side
1,283,376.68x = 1,379,444,379,521.88 - Step 5: Solve for x
x = 1,379,444,379,521.88/1,283,376.68 - Step 6: Final answer
x = 1,074,855.42
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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.