Finding the Fourth Proportional to 1,167,018.98, 1,610,490.57 and 737,490.02
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Solution
The fourth proportional to 1,167,018.98, 1,610,490.57 and 737,490.02 is: 1,017,738.99
Step by Step Solution
- Step 1: Write the proportion equation
1,167,018.98 : 1,610,490.57 = 737,490.02 : x - Step 2: Convert to fraction form
1,167,018.98/1,610,490.57 = 737,490.02/x - Step 3: Cross multiply
1,167,018.98x = 1,610,490.57 × 737,490.02 - Step 4: Simplify right side
1,167,018.98x = 1,187,720,722,679.11 - Step 5: Solve for x
x = 1,187,720,722,679.11/1,167,018.98 - Step 6: Final answer
x = 1,017,738.99
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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.