Finding the Fourth Proportional to 1,252,252.34, 1,728,108.78 and 708,376.52
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Solution
The fourth proportional to 1,252,252.34, 1,728,108.78 and 708,376.52 is: 977,559.91
Step by Step Solution
- Step 1: Write the proportion equation
1,252,252.34 : 1,728,108.78 = 708,376.52 : x - Step 2: Convert to fraction form
1,252,252.34/1,728,108.78 = 708,376.52/x - Step 3: Cross multiply
1,252,252.34x = 1,728,108.78 × 708,376.52 - Step 4: Simplify right side
1,252,252.34x = 1,224,151,685,421.71 - Step 5: Solve for x
x = 1,224,151,685,421.71/1,252,252.34 - Step 6: Final answer
x = 977,559.91
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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.