Finding the Fourth Proportional to 1,409,392.90, 1,944,967.29 and 764,813.07
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Solution
The fourth proportional to 1,409,392.90, 1,944,967.29 and 764,813.07 is: 1,055,444.80
Step by Step Solution
- Step 1: Write the proportion equation
1,409,392.90 : 1,944,967.29 = 764,813.07 : x - Step 2: Convert to fraction form
1,409,392.90/1,944,967.29 = 764,813.07/x - Step 3: Cross multiply
1,409,392.90x = 1,944,967.29 × 764,813.07 - Step 4: Simplify right side
1,409,392.90x = 1,487,536,404,114.48 - Step 5: Solve for x
x = 1,487,536,404,114.48/1,409,392.90 - Step 6: Final answer
x = 1,055,444.80
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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.