Finding the Fourth Proportional to 1,313,271.38, 1,970,258.07 and 471,830.42
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Solution
The fourth proportional to 1,313,271.38, 1,970,258.07 and 471,830.42 is: 707,871.74
Step by Step Solution
- Step 1: Write the proportion equation
1,313,271.38 : 1,970,258.07 = 471,830.42 : x - Step 2: Convert to fraction form
1,313,271.38/1,970,258.07 = 471,830.42/x - Step 3: Cross multiply
1,313,271.38x = 1,970,258.07 × 471,830.42 - Step 4: Simplify right side
1,313,271.38x = 929,627,692,676.49 - Step 5: Solve for x
x = 929,627,692,676.49/1,313,271.38 - Step 6: Final answer
x = 707,871.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.