Finding the Fourth Proportional to 1,223,341.98, 1,688,344.26 and 740,173.54
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Solution
The fourth proportional to 1,223,341.98, 1,688,344.26 and 740,173.54 is: 1,021,519.55
Step by Step Solution
- Step 1: Write the proportion equation
1,223,341.98 : 1,688,344.26 = 740,173.54 : x - Step 2: Convert to fraction form
1,223,341.98/1,688,344.26 = 740,173.54/x - Step 3: Cross multiply
1,223,341.98x = 1,688,344.26 × 740,173.54 - Step 4: Simplify right side
1,223,341.98x = 1,249,667,747,662.88 - Step 5: Solve for x
x = 1,249,667,747,662.88/1,223,341.98 - Step 6: Final answer
x = 1,021,519.55
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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.