Finding the Fourth Proportional to 1,354,416.64, 1,869,116.07 and 742,625.26
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Solution
The fourth proportional to 1,354,416.64, 1,869,116.07 and 742,625.26 is: 1,024,834.43
Step by Step Solution
- Step 1: Write the proportion equation
1,354,416.64 : 1,869,116.07 = 742,625.26 : x - Step 2: Convert to fraction form
1,354,416.64/1,869,116.07 = 742,625.26/x - Step 3: Cross multiply
1,354,416.64x = 1,869,116.07 × 742,625.26 - Step 4: Simplify right side
1,354,416.64x = 1,388,052,807,453.93 - Step 5: Solve for x
x = 1,388,052,807,453.93/1,354,416.64 - Step 6: Final answer
x = 1,024,834.43
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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.