Finding the Fourth Proportional to 1,363,475.40, 2,042,238.78 and 1,124,130.12
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Solution
The fourth proportional to 1,363,475.40, 2,042,238.78 and 1,124,130.12 is: 1,683,742.97
Step by Step Solution
- Step 1: Write the proportion equation
1,363,475.40 : 2,042,238.78 = 1,124,130.12 : x - Step 2: Convert to fraction form
1,363,475.40/2,042,238.78 = 1,124,130.12/x - Step 3: Cross multiply
1,363,475.40x = 2,042,238.78 × 1,124,130.12 - Step 4: Simplify right side
1,363,475.40x = 2,295,742,124,830.05 - Step 5: Solve for x
x = 2,295,742,124,830.05/1,363,475.40 - Step 6: Final answer
x = 1,683,742.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.