Finding the Fourth Proportional to 1,217,125.32, 1,679,503.56 and 673,174.68
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Solution
The fourth proportional to 1,217,125.32, 1,679,503.56 and 673,174.68 is: 928,909.50
Step by Step Solution
- Step 1: Write the proportion equation
1,217,125.32 : 1,679,503.56 = 673,174.68 : x - Step 2: Convert to fraction form
1,217,125.32/1,679,503.56 = 673,174.68/x - Step 3: Cross multiply
1,217,125.32x = 1,679,503.56 × 673,174.68 - Step 4: Simplify right side
1,217,125.32x = 1,130,599,271,561.86 - Step 5: Solve for x
x = 1,130,599,271,561.86/1,217,125.32 - Step 6: Final answer
x = 928,909.50
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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.