Finding the Fourth Proportional to 1,281,352.53, 1,768,190.49 and 708,358.53
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Solution
The fourth proportional to 1,281,352.53, 1,768,190.49 and 708,358.53 is: 977,492.76
Step by Step Solution
- Step 1: Write the proportion equation
1,281,352.53 : 1,768,190.49 = 708,358.53 : x - Step 2: Convert to fraction form
1,281,352.53/1,768,190.49 = 708,358.53/x - Step 3: Cross multiply
1,281,352.53x = 1,768,190.49 × 708,358.53 - Step 4: Simplify right side
1,281,352.53x = 1,252,512,816,256.38 - Step 5: Solve for x
x = 1,252,512,816,256.38/1,281,352.53 - Step 6: Final answer
x = 977,492.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.