Finding the Fourth Proportional to 1,283,396.38, 1,926,986.91 and 715,886.26
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Solution
The fourth proportional to 1,283,396.38, 1,926,986.91 and 715,886.26 is: 1,074,884.95
Step by Step Solution
- Step 1: Write the proportion equation
1,283,396.38 : 1,926,986.91 = 715,886.26 : x - Step 2: Convert to fraction form
1,283,396.38/1,926,986.91 = 715,886.26/x - Step 3: Cross multiply
1,283,396.38x = 1,926,986.91 × 715,886.26 - Step 4: Simplify right side
1,283,396.38x = 1,379,503,452,068.86 - Step 5: Solve for x
x = 1,379,503,452,068.86/1,283,396.38 - Step 6: Final answer
x = 1,074,884.95
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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.