Finding the Fourth Proportional to 1,239,638.42, 1,710,713.71 and 695,763.32
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Solution
The fourth proportional to 1,239,638.42, 1,710,713.71 and 695,763.32 is: 960,160.50
Step by Step Solution
- Step 1: Write the proportion equation
1,239,638.42 : 1,710,713.71 = 695,763.32 : x - Step 2: Convert to fraction form
1,239,638.42/1,710,713.71 = 695,763.32/x - Step 3: Cross multiply
1,239,638.42x = 1,710,713.71 × 695,763.32 - Step 4: Simplify right side
1,239,638.42x = 1,190,251,842,755.25 - Step 5: Solve for x
x = 1,190,251,842,755.25/1,239,638.42 - Step 6: Final answer
x = 960,160.50
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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.