Finding the Fourth Proportional to 1,125,679.14, 1,553,439.72 and 609,438.48
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Solution
The fourth proportional to 1,125,679.14, 1,553,439.72 and 609,438.48 is: 841,026.46
Step by Step Solution
- Step 1: Write the proportion equation
1,125,679.14 : 1,553,439.72 = 609,438.48 : x - Step 2: Convert to fraction form
1,125,679.14/1,553,439.72 = 609,438.48/x - Step 3: Cross multiply
1,125,679.14x = 1,553,439.72 × 609,438.48 - Step 4: Simplify right side
1,125,679.14x = 946,725,941,728.43 - Step 5: Solve for x
x = 946,725,941,728.43/1,125,679.14 - Step 6: Final answer
x = 841,026.46
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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.