Finding the Fourth Proportional to 1,369,237.12, 1,889,401.86 and 757,292.68
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Solution
The fourth proportional to 1,369,237.12, 1,889,401.86 and 757,292.68 is: 1,044,983.50
Step by Step Solution
- Step 1: Write the proportion equation
1,369,237.12 : 1,889,401.86 = 757,292.68 : x - Step 2: Convert to fraction form
1,369,237.12/1,889,401.86 = 757,292.68/x - Step 3: Cross multiply
1,369,237.12x = 1,889,401.86 × 757,292.68 - Step 4: Simplify right side
1,369,237.12x = 1,430,830,198,156.39 - Step 5: Solve for x
x = 1,430,830,198,156.39/1,369,237.12 - Step 6: Final answer
x = 1,044,983.50
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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.