Finding the Fourth Proportional to 1,273,396.67, 1,909,632.79 and 697,447.79
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Solution
The fourth proportional to 1,273,396.67, 1,909,632.79 and 697,447.79 is: 1,045,918.53
Step by Step Solution
- Step 1: Write the proportion equation
1,273,396.67 : 1,909,632.79 = 697,447.79 : x - Step 2: Convert to fraction form
1,273,396.67/1,909,632.79 = 697,447.79/x - Step 3: Cross multiply
1,273,396.67x = 1,909,632.79 × 697,447.79 - Step 4: Simplify right side
1,273,396.67x = 1,331,869,169,097.03 - Step 5: Solve for x
x = 1,331,869,169,097.03/1,273,396.67 - Step 6: Final answer
x = 1,045,918.53
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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.