Finding the Fourth Proportional to 1,252,416.08, 1,728,281.13 and 708,561.14
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Solution
The fourth proportional to 1,252,416.08, 1,728,281.13 and 708,561.14 is: 977,784.35
Step by Step Solution
- Step 1: Write the proportion equation
1,252,416.08 : 1,728,281.13 = 708,561.14 : x - Step 2: Convert to fraction form
1,252,416.08/1,728,281.13 = 708,561.14/x - Step 3: Cross multiply
1,252,416.08x = 1,728,281.13 × 708,561.14 - Step 4: Simplify right side
1,252,416.08x = 1,224,592,847,713.29 - Step 5: Solve for x
x = 1,224,592,847,713.29/1,252,416.08 - Step 6: Final answer
x = 977,784.35
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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.