Finding the Fourth Proportional to 1,128,582.64, 1,692,972.36 and 370,196.62
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Solution
The fourth proportional to 1,128,582.64, 1,692,972.36 and 370,196.62 is: 555,327.21
Step by Step Solution
- Step 1: Write the proportion equation
1,128,582.64 : 1,692,972.36 = 370,196.62 : x - Step 2: Convert to fraction form
1,128,582.64/1,692,972.36 = 370,196.62/x - Step 3: Cross multiply
1,128,582.64x = 1,692,972.36 × 370,196.62 - Step 4: Simplify right side
1,128,582.64x = 626,732,645,425.42 - Step 5: Solve for x
x = 626,732,645,425.42/1,128,582.64 - Step 6: Final answer
x = 555,327.21
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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.