Finding the Fourth Proportional to 1,149,630.21, 1,723,373.08 and 390,953.23
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Solution
The fourth proportional to 1,149,630.21, 1,723,373.08 and 390,953.23 is: 586,065.21
Step by Step Solution
- Step 1: Write the proportion equation
1,149,630.21 : 1,723,373.08 = 390,953.23 : x - Step 2: Convert to fraction form
1,149,630.21/1,723,373.08 = 390,953.23/x - Step 3: Cross multiply
1,149,630.21x = 1,723,373.08 × 390,953.23 - Step 4: Simplify right side
1,149,630.21x = 673,758,266,835.23 - Step 5: Solve for x
x = 673,758,266,835.23/1,149,630.21 - Step 6: Final answer
x = 586,065.21
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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.