Finding the Fourth Proportional to 1,148,735.26, 1,722,032.47 and 390,057.98
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Solution
The fourth proportional to 1,148,735.26, 1,722,032.47 and 390,057.98 is: 584,723.50
Step by Step Solution
- Step 1: Write the proportion equation
1,148,735.26 : 1,722,032.47 = 390,057.98 : x - Step 2: Convert to fraction form
1,148,735.26/1,722,032.47 = 390,057.98/x - Step 3: Cross multiply
1,148,735.26x = 1,722,032.47 × 390,057.98 - Step 4: Simplify right side
1,148,735.26x = 671,692,497,522.98 - Step 5: Solve for x
x = 671,692,497,522.98/1,148,735.26 - Step 6: Final answer
x = 584,723.50
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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.