Finding the Fourth Proportional to 1,260,444.73, 1,739,560.77 and 716,661.99
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Solution
The fourth proportional to 1,260,444.73, 1,739,560.77 and 716,661.99 is: 989,077.15
Step by Step Solution
- Step 1: Write the proportion equation
1,260,444.73 : 1,739,560.77 = 716,661.99 : x - Step 2: Convert to fraction form
1,260,444.73/1,739,560.77 = 716,661.99/x - Step 3: Cross multiply
1,260,444.73x = 1,739,560.77 × 716,661.99 - Step 4: Simplify right side
1,260,444.73x = 1,246,677,083,154.13 - Step 5: Solve for x
x = 1,246,677,083,154.13/1,260,444.73 - Step 6: Final answer
x = 989,077.15
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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.