Finding the Fourth Proportional to 1,147,232.36, 1,583,115.66 and 637,923.80
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Solution
The fourth proportional to 1,147,232.36, 1,583,115.66 and 637,923.80 is: 880,298.70
Step by Step Solution
- Step 1: Write the proportion equation
1,147,232.36 : 1,583,115.66 = 637,923.80 : x - Step 2: Convert to fraction form
1,147,232.36/1,583,115.66 = 637,923.80/x - Step 3: Cross multiply
1,147,232.36x = 1,583,115.66 × 637,923.80 - Step 4: Simplify right side
1,147,232.36x = 1,009,907,157,666.71 - Step 5: Solve for x
x = 1,009,907,157,666.71/1,147,232.36 - Step 6: Final answer
x = 880,298.70
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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.