Finding the Fourth Proportional to 1,125,927.68, 1,553,782.56 and 609,687.20
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Solution
The fourth proportional to 1,125,927.68, 1,553,782.56 and 609,687.20 is: 841,369.61
Step by Step Solution
- Step 1: Write the proportion equation
1,125,927.68 : 1,553,782.56 = 609,687.20 : x - Step 2: Convert to fraction form
1,125,927.68/1,553,782.56 = 609,687.20/x - Step 3: Cross multiply
1,125,927.68x = 1,553,782.56 × 609,687.20 - Step 4: Simplify right side
1,125,927.68x = 947,321,338,415.23 - Step 5: Solve for x
x = 947,321,338,415.23/1,125,927.68 - Step 6: Final answer
x = 841,369.61
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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.