Finding the Fourth Proportional to 1,196,339.79, 1,650,015.56 and 766,659.99
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Solution
The fourth proportional to 1,196,339.79, 1,650,015.56 and 766,659.99 is: 1,057,392.66
Step by Step Solution
- Step 1: Write the proportion equation
1,196,339.79 : 1,650,015.56 = 766,659.99 : x - Step 2: Convert to fraction form
1,196,339.79/1,650,015.56 = 766,659.99/x - Step 3: Cross multiply
1,196,339.79x = 1,650,015.56 × 766,659.99 - Step 4: Simplify right side
1,196,339.79x = 1,265,000,908,896.14 - Step 5: Solve for x
x = 1,265,000,908,896.14/1,196,339.79 - Step 6: Final answer
x = 1,057,392.66
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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.