Finding the Fourth Proportional to 1,378,784.19, 1,902,837.10 and 767,052.19
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Solution
The fourth proportional to 1,378,784.19, 1,902,837.10 and 767,052.19 is: 1,058,595.95
Step by Step Solution
- Step 1: Write the proportion equation
1,378,784.19 : 1,902,837.10 = 767,052.19 : x - Step 2: Convert to fraction form
1,378,784.19/1,902,837.10 = 767,052.19/x - Step 3: Cross multiply
1,378,784.19x = 1,902,837.10 × 767,052.19 - Step 4: Simplify right side
1,378,784.19x = 1,459,575,360,932.99 - Step 5: Solve for x
x = 1,459,575,360,932.99/1,378,784.19 - Step 6: Final answer
x = 1,058,595.95
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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.