Finding the Fourth Proportional to 1,273,395.67, 1,909,631.30 and 697,446.79
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Solution
The fourth proportional to 1,273,395.67, 1,909,631.30 and 697,446.79 is: 1,045,917.03
Step by Step Solution
- Step 1: Write the proportion equation
1,273,395.67 : 1,909,631.30 = 697,446.79 : x - Step 2: Convert to fraction form
1,273,395.67/1,909,631.30 = 697,446.79/x - Step 3: Cross multiply
1,273,395.67x = 1,909,631.30 × 697,446.79 - Step 4: Simplify right side
1,273,395.67x = 1,331,866,212,007.21 - Step 5: Solve for x
x = 1,331,866,212,007.21/1,273,395.67 - Step 6: Final answer
x = 1,045,917.03
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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.