Finding the Fourth Proportional to 1,292,325.98, 1,783,395.18 and 711,537.24
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Solution
The fourth proportional to 1,292,325.98, 1,783,395.18 and 711,537.24 is: 981,913.31
Step by Step Solution
- Step 1: Write the proportion equation
1,292,325.98 : 1,783,395.18 = 711,537.24 : x - Step 2: Convert to fraction form
1,292,325.98/1,783,395.18 = 711,537.24/x - Step 3: Cross multiply
1,292,325.98x = 1,783,395.18 × 711,537.24 - Step 4: Simplify right side
1,292,325.98x = 1,268,952,084,206.50 - Step 5: Solve for x
x = 1,268,952,084,206.50/1,292,325.98 - Step 6: Final answer
x = 981,913.31
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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.