Finding the Fourth Proportional to 1,298,247.24, 1,791,546.12 and 709,523.40
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Solution
The fourth proportional to 1,298,247.24, 1,791,546.12 and 709,523.40 is: 979,123.12
Step by Step Solution
- Step 1: Write the proportion equation
1,298,247.24 : 1,791,546.12 = 709,523.40 : x - Step 2: Convert to fraction form
1,298,247.24/1,791,546.12 = 709,523.40/x - Step 3: Cross multiply
1,298,247.24x = 1,791,546.12 × 709,523.40 - Step 4: Simplify right side
1,298,247.24x = 1,271,143,894,319.21 - Step 5: Solve for x
x = 1,271,143,894,319.21/1,298,247.24 - Step 6: Final answer
x = 979,123.12
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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.