Finding the Fourth Proportional to 1,252,304.07, 1,728,179.99 and 708,428.35
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Solution
The fourth proportional to 1,252,304.07, 1,728,179.99 and 708,428.35 is: 977,631.33
Step by Step Solution
- Step 1: Write the proportion equation
1,252,304.07 : 1,728,179.99 = 708,428.35 : x - Step 2: Convert to fraction form
1,252,304.07/1,728,179.99 = 708,428.35/x - Step 3: Cross multiply
1,252,304.07x = 1,728,179.99 × 708,428.35 - Step 4: Simplify right side
1,252,304.07x = 1,224,291,698,818.72 - Step 5: Solve for x
x = 1,224,291,698,818.72/1,252,304.07 - Step 6: Final answer
x = 977,631.33
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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.