Finding the Fourth Proportional to 1,344,107.20, 1,854,847.20 and 740,516.80
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Solution
The fourth proportional to 1,344,107.20, 1,854,847.20 and 740,516.80 is: 1,021,901.76
Step by Step Solution
- Step 1: Write the proportion equation
1,344,107.20 : 1,854,847.20 = 740,516.80 : x - Step 2: Convert to fraction form
1,344,107.20/1,854,847.20 = 740,516.80/x - Step 3: Cross multiply
1,344,107.20x = 1,854,847.20 × 740,516.80 - Step 4: Simplify right side
1,344,107.20x = 1,373,545,513,032.96 - Step 5: Solve for x
x = 1,373,545,513,032.96/1,344,107.20 - Step 6: Final answer
x = 1,021,901.76
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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.