Finding the Fourth Proportional to 1,231,386.04, 1,847,356.08 and 432,722.80
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Solution
The fourth proportional to 1,231,386.04, 1,847,356.08 and 432,722.80 is: 649,181.55
Step by Step Solution
- Step 1: Write the proportion equation
1,231,386.04 : 1,847,356.08 = 432,722.80 : x - Step 2: Convert to fraction form
1,231,386.04/1,847,356.08 = 432,722.80/x - Step 3: Cross multiply
1,231,386.04x = 1,847,356.08 × 432,722.80 - Step 4: Simplify right side
1,231,386.04x = 799,393,095,534.62 - Step 5: Solve for x
x = 799,393,095,534.62/1,231,386.04 - Step 6: Final answer
x = 649,181.55
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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.