Finding the Fourth Proportional to 1,013,901.99, 1,399,089.03 and 605,922.60
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Solution
The fourth proportional to 1,013,901.99, 1,399,089.03 and 605,922.60 is: 836,115.99
Step by Step Solution
- Step 1: Write the proportion equation
1,013,901.99 : 1,399,089.03 = 605,922.60 : x - Step 2: Convert to fraction form
1,013,901.99/1,399,089.03 = 605,922.60/x - Step 3: Cross multiply
1,013,901.99x = 1,399,089.03 × 605,922.60 - Step 4: Simplify right side
1,013,901.99x = 847,739,662,689.08 - Step 5: Solve for x
x = 847,739,662,689.08/1,013,901.99 - Step 6: Final answer
x = 836,115.99
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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.