Finding the Fourth Proportional to 1,118,130.96, 1,543,014.18 and 608,832.12
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Solution
The fourth proportional to 1,118,130.96, 1,543,014.18 and 608,832.12 is: 840,184.76
Step by Step Solution
- Step 1: Write the proportion equation
1,118,130.96 : 1,543,014.18 = 608,832.12 : x - Step 2: Convert to fraction form
1,118,130.96/1,543,014.18 = 608,832.12/x - Step 3: Cross multiply
1,118,130.96x = 1,543,014.18 × 608,832.12 - Step 4: Simplify right side
1,118,130.96x = 939,436,594,399.46 - Step 5: Solve for x
x = 939,436,594,399.46/1,118,130.96 - Step 6: Final answer
x = 840,184.76
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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.