Finding the Fourth Proportional to 1,419,807.62, 1,959,319.62 and 775,225.82
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Solution
The fourth proportional to 1,419,807.62, 1,959,319.62 and 775,225.82 is: 1,069,803.50
Step by Step Solution
- Step 1: Write the proportion equation
1,419,807.62 : 1,959,319.62 = 775,225.82 : x - Step 2: Convert to fraction form
1,419,807.62/1,959,319.62 = 775,225.82/x - Step 3: Cross multiply
1,419,807.62x = 1,959,319.62 × 775,225.82 - Step 4: Simplify right side
1,419,807.62x = 1,518,915,159,056.59 - Step 5: Solve for x
x = 1,518,915,159,056.59/1,419,807.62 - Step 6: Final answer
x = 1,069,803.50
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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.