Finding the Fourth Proportional to 1,267,328.79, 1,748,846.81 and 723,442.95
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Solution
The fourth proportional to 1,267,328.79, 1,748,846.81 and 723,442.95 is: 998,313.07
Step by Step Solution
- Step 1: Write the proportion equation
1,267,328.79 : 1,748,846.81 = 723,442.95 : x - Step 2: Convert to fraction form
1,267,328.79/1,748,846.81 = 723,442.95/x - Step 3: Cross multiply
1,267,328.79x = 1,748,846.81 × 723,442.95 - Step 4: Simplify right side
1,267,328.79x = 1,265,190,891,707.27 - Step 5: Solve for x
x = 1,265,190,891,707.27/1,267,328.79 - Step 6: Final answer
x = 998,313.07
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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.