Finding the Fourth Proportional to 1,044,121.98, 1,440,457.98 and 636,074.94
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Solution
The fourth proportional to 1,044,121.98, 1,440,457.98 and 636,074.94 is: 877,521.25
Step by Step Solution
- Step 1: Write the proportion equation
1,044,121.98 : 1,440,457.98 = 636,074.94 : x - Step 2: Convert to fraction form
1,044,121.98/1,440,457.98 = 636,074.94/x - Step 3: Cross multiply
1,044,121.98x = 1,440,457.98 × 636,074.94 - Step 4: Simplify right side
1,044,121.98x = 916,239,223,201.02 - Step 5: Solve for x
x = 916,239,223,201.02/1,044,121.98 - Step 6: Final answer
x = 877,521.25
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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.