Finding the Fourth Proportional to 1,419,135.34, 2,128,983.88 and 520,584.93
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Solution
The fourth proportional to 1,419,135.34, 2,128,983.88 and 520,584.93 is: 780,980.42
Step by Step Solution
- Step 1: Write the proportion equation
1,419,135.34 : 2,128,983.88 = 520,584.93 : x - Step 2: Convert to fraction form
1,419,135.34/2,128,983.88 = 520,584.93/x - Step 3: Cross multiply
1,419,135.34x = 2,128,983.88 × 520,584.93 - Step 4: Simplify right side
1,419,135.34x = 1,108,316,912,194.55 - Step 5: Solve for x
x = 1,108,316,912,194.55/1,419,135.34 - Step 6: Final answer
x = 780,980.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.