Finding the Fourth Proportional to 1,044,878.18, 1,442,089.49 and 637,216.49
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Solution
The fourth proportional to 1,044,878.18, 1,442,089.49 and 637,216.49 is: 879,454.86
Step by Step Solution
- Step 1: Write the proportion equation
1,044,878.18 : 1,442,089.49 = 637,216.49 : x - Step 2: Convert to fraction form
1,044,878.18/1,442,089.49 = 637,216.49/x - Step 3: Cross multiply
1,044,878.18x = 1,442,089.49 × 637,216.49 - Step 4: Simplify right side
1,044,878.18x = 918,923,192,687.16 - Step 5: Solve for x
x = 918,923,192,687.16/1,044,878.18 - Step 6: Final answer
x = 879,454.86
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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.