Finding the Fourth Proportional to 1,364,790.70, 1,883,417.40 and 752,943.21
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Solution
The fourth proportional to 1,364,790.70, 1,883,417.40 and 752,943.21 is: 1,039,065.07
Step by Step Solution
- Step 1: Write the proportion equation
1,364,790.70 : 1,883,417.40 = 752,943.21 : x - Step 2: Convert to fraction form
1,364,790.70/1,883,417.40 = 752,943.21/x - Step 3: Cross multiply
1,364,790.70x = 1,883,417.40 × 752,943.21 - Step 4: Simplify right side
1,364,790.70x = 1,418,106,333,508.77 - Step 5: Solve for x
x = 1,418,106,333,508.77/1,364,790.70 - Step 6: Final answer
x = 1,039,065.07
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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.