Finding the Fourth Proportional to 1,270,764.96, 1,753,684.20 and 697,807.68
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Solution
The fourth proportional to 1,270,764.96, 1,753,684.20 and 697,807.68 is: 962,990.28
Step by Step Solution
- Step 1: Write the proportion equation
1,270,764.96 : 1,753,684.20 = 697,807.68 : x - Step 2: Convert to fraction form
1,270,764.96/1,753,684.20 = 697,807.68/x - Step 3: Cross multiply
1,270,764.96x = 1,753,684.20 × 697,807.68 - Step 4: Simplify right side
1,270,764.96x = 1,223,734,303,054.66 - Step 5: Solve for x
x = 1,223,734,303,054.66/1,270,764.96 - Step 6: Final answer
x = 962,990.28
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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.