Finding the Fourth Proportional to 1,402,943.40, 2,104,601.40 and 455,995.08
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Solution
The fourth proportional to 1,402,943.40, 2,104,601.40 and 455,995.08 is: 684,053.17
Step by Step Solution
- Step 1: Write the proportion equation
1,402,943.40 : 2,104,601.40 = 455,995.08 : x - Step 2: Convert to fraction form
1,402,943.40/2,104,601.40 = 455,995.08/x - Step 3: Cross multiply
1,402,943.40x = 2,104,601.40 × 455,995.08 - Step 4: Simplify right side
1,402,943.40x = 959,687,883,761.11 - Step 5: Solve for x
x = 959,687,883,761.11/1,402,943.40 - Step 6: Final answer
x = 684,053.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.