Finding the Fourth Proportional to 1,034,987.70, 1,549,529.10 and 916,889.70
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Solution
The fourth proportional to 1,034,987.70, 1,549,529.10 and 916,889.70 is: 1,372,718.99
Step by Step Solution
- Step 1: Write the proportion equation
1,034,987.70 : 1,549,529.10 = 916,889.70 : x - Step 2: Convert to fraction form
1,034,987.70/1,549,529.10 = 916,889.70/x - Step 3: Cross multiply
1,034,987.70x = 1,549,529.10 × 916,889.70 - Step 4: Simplify right side
1,034,987.70x = 1,420,747,271,640.27 - Step 5: Solve for x
x = 1,420,747,271,640.27/1,034,987.70 - Step 6: Final answer
x = 1,372,718.99
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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.