Finding the Fourth Proportional to 1,244,289.62, 1,716,202.93 and 938,378.90
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Solution
The fourth proportional to 1,244,289.62, 1,716,202.93 and 938,378.90 is: 1,294,271.52
Step by Step Solution
- Step 1: Write the proportion equation
1,244,289.62 : 1,716,202.93 = 938,378.90 : x - Step 2: Convert to fraction form
1,244,289.62/1,716,202.93 = 938,378.90/x - Step 3: Cross multiply
1,244,289.62x = 1,716,202.93 × 938,378.90 - Step 4: Simplify right side
1,244,289.62x = 1,610,448,619,574.74 - Step 5: Solve for x
x = 1,610,448,619,574.74/1,244,289.62 - Step 6: Final answer
x = 1,294,271.52
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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.