Finding the Fourth Proportional to 1,357,599.20, 2,035,880.40 and 410,655.20
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Solution
The fourth proportional to 1,357,599.20, 2,035,880.40 and 410,655.20 is: 615,825.99
Step by Step Solution
- Step 1: Write the proportion equation
1,357,599.20 : 2,035,880.40 = 410,655.20 : x - Step 2: Convert to fraction form
1,357,599.20/2,035,880.40 = 410,655.20/x - Step 3: Cross multiply
1,357,599.20x = 2,035,880.40 × 410,655.20 - Step 4: Simplify right side
1,357,599.20x = 836,044,872,838.08 - Step 5: Solve for x
x = 836,044,872,838.08/1,357,599.20 - Step 6: Final answer
x = 615,825.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.