Finding the Fourth Proportional to 1,117,980.74, 1,542,789.18 and 652,914.62
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Solution
The fourth proportional to 1,117,980.74, 1,542,789.18 and 652,914.62 is: 901,008.02
Step by Step Solution
- Step 1: Write the proportion equation
1,117,980.74 : 1,542,789.18 = 652,914.62 : x - Step 2: Convert to fraction form
1,117,980.74/1,542,789.18 = 652,914.62/x - Step 3: Cross multiply
1,117,980.74x = 1,542,789.18 × 652,914.62 - Step 4: Simplify right side
1,117,980.74x = 1,007,309,611,199.81 - Step 5: Solve for x
x = 1,007,309,611,199.81/1,117,980.74 - Step 6: Final answer
x = 901,008.02
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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.