Finding the Fourth Proportional to 1,102,814.07, 1,653,044.98 and 628,478.07
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Solution
The fourth proportional to 1,102,814.07, 1,653,044.98 and 628,478.07 is: 942,046.85
Step by Step Solution
- Step 1: Write the proportion equation
1,102,814.07 : 1,653,044.98 = 628,478.07 : x - Step 2: Convert to fraction form
1,102,814.07/1,653,044.98 = 628,478.07/x - Step 3: Cross multiply
1,102,814.07x = 1,653,044.98 × 628,478.07 - Step 4: Simplify right side
1,102,814.07x = 1,038,902,518,653.59 - Step 5: Solve for x
x = 1,038,902,518,653.59/1,102,814.07 - Step 6: Final answer
x = 942,046.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.