Finding the Fourth Proportional to 1,228,574.40, 1,695,406.68 and 684,759.84
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Solution
The fourth proportional to 1,228,574.40, 1,695,406.68 and 684,759.84 is: 944,954.09
Step by Step Solution
- Step 1: Write the proportion equation
1,228,574.40 : 1,695,406.68 = 684,759.84 : x - Step 2: Convert to fraction form
1,228,574.40/1,695,406.68 = 684,759.84/x - Step 3: Cross multiply
1,228,574.40x = 1,695,406.68 × 684,759.84 - Step 4: Simplify right side
1,228,574.40x = 1,160,946,406,931.73 - Step 5: Solve for x
x = 1,160,946,406,931.73/1,228,574.40 - Step 6: Final answer
x = 944,954.09
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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.