Finding the Fourth Proportional to 1,425,349.68, 1,966,983 and 780,793.08
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Solution
The fourth proportional to 1,425,349.68, 1,966,983 and 780,793.08 is: 1,077,494.69
Step by Step Solution
- Step 1: Write the proportion equation
1,425,349.68 : 1,966,983 = 780,793.08 : x - Step 2: Convert to fraction form
1,425,349.68/1,966,983 = 780,793.08/x - Step 3: Cross multiply
1,425,349.68x = 1,966,983 × 780,793.08 - Step 4: Simplify right side
1,425,349.68x = 1,535,806,714,877.64 - Step 5: Solve for x
x = 1,535,806,714,877.64/1,425,349.68 - Step 6: Final answer
x = 1,077,494.69
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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.