Finding the Fourth Proportional to 1,316,679.95, 1,817,166.11 and 743,757.03
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Solution
The fourth proportional to 1,316,679.95, 1,817,166.11 and 743,757.03 is: 1,026,468.17
Step by Step Solution
- Step 1: Write the proportion equation
1,316,679.95 : 1,817,166.11 = 743,757.03 : x - Step 2: Convert to fraction form
1,316,679.95/1,817,166.11 = 743,757.03/x - Step 3: Cross multiply
1,316,679.95x = 1,817,166.11 × 743,757.03 - Step 4: Simplify right side
1,316,679.95x = 1,351,530,065,271.47 - Step 5: Solve for x
x = 1,351,530,065,271.47/1,316,679.95 - Step 6: Final answer
x = 1,026,468.17
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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.