Finding the Fourth Proportional to 1,118,069.24, 1,542,963.30 and 608,799.56
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Solution
The fourth proportional to 1,118,069.24, 1,542,963.30 and 608,799.56 is: 840,158.50
Step by Step Solution
- Step 1: Write the proportion equation
1,118,069.24 : 1,542,963.30 = 608,799.56 : x - Step 2: Convert to fraction form
1,118,069.24/1,542,963.30 = 608,799.56/x - Step 3: Cross multiply
1,118,069.24x = 1,542,963.30 × 608,799.56 - Step 4: Simplify right side
1,118,069.24x = 939,355,378,136.15 - Step 5: Solve for x
x = 939,355,378,136.15/1,118,069.24 - Step 6: Final answer
x = 840,158.50
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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.