Finding the Fourth Proportional to 1,012,106.02, 1,396,153.50 and 649,125.98
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Solution
The fourth proportional to 1,012,106.02, 1,396,153.50 and 649,125.98 is: 895,439.31
Step by Step Solution
- Step 1: Write the proportion equation
1,012,106.02 : 1,396,153.50 = 649,125.98 : x - Step 2: Convert to fraction form
1,012,106.02/1,396,153.50 = 649,125.98/x - Step 3: Cross multiply
1,012,106.02x = 1,396,153.50 × 649,125.98 - Step 4: Simplify right side
1,012,106.02x = 906,279,508,917.93 - Step 5: Solve for x
x = 906,279,508,917.93/1,012,106.02 - Step 6: Final answer
x = 895,439.31
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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.