Finding the Fourth Proportional to 1,297,776.84, 1,790,755.10 and 724,743.96
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Solution
The fourth proportional to 1,297,776.84, 1,790,755.10 and 724,743.96 is: 1,000,047.85
Step by Step Solution
- Step 1: Write the proportion equation
1,297,776.84 : 1,790,755.10 = 724,743.96 : x - Step 2: Convert to fraction form
1,297,776.84/1,790,755.10 = 724,743.96/x - Step 3: Cross multiply
1,297,776.84x = 1,790,755.10 × 724,743.96 - Step 4: Simplify right side
1,297,776.84x = 1,297,838,942,564.20 - Step 5: Solve for x
x = 1,297,838,942,564.20/1,297,776.84 - Step 6: Final answer
x = 1,000,047.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.