Finding the Fourth Proportional to 1,239,748.10, 1,859,404.37 and 340,973.12
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Solution
The fourth proportional to 1,239,748.10, 1,859,404.37 and 340,973.12 is: 511,399.77
Step by Step Solution
- Step 1: Write the proportion equation
1,239,748.10 : 1,859,404.37 = 340,973.12 : x - Step 2: Convert to fraction form
1,239,748.10/1,859,404.37 = 340,973.12/x - Step 3: Cross multiply
1,239,748.10x = 1,859,404.37 × 340,973.12 - Step 4: Simplify right side
1,239,748.10x = 634,006,898,378.65 - Step 5: Solve for x
x = 634,006,898,378.65/1,239,748.10 - Step 6: Final answer
x = 511,399.77
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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.