Finding the Fourth Proportional to 1,415,907.68, 1,953,934.97 and 771,314.03
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Solution
The fourth proportional to 1,415,907.68, 1,953,934.97 and 771,314.03 is: 1,064,403.76
Step by Step Solution
- Step 1: Write the proportion equation
1,415,907.68 : 1,953,934.97 = 771,314.03 : x - Step 2: Convert to fraction form
1,415,907.68/1,953,934.97 = 771,314.03/x - Step 3: Cross multiply
1,415,907.68x = 1,953,934.97 × 771,314.03 - Step 4: Simplify right side
1,415,907.68x = 1,507,097,456,068.63 - Step 5: Solve for x
x = 1,507,097,456,068.63/1,415,907.68 - Step 6: Final answer
x = 1,064,403.76
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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.