Finding the Fourth Proportional to 1,415,901.62, 1,953,926.63 and 771,307.97
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Solution
The fourth proportional to 1,415,901.62, 1,953,926.63 and 771,307.97 is: 1,064,395.41
Step by Step Solution
- Step 1: Write the proportion equation
1,415,901.62 : 1,953,926.63 = 771,307.97 : x - Step 2: Convert to fraction form
1,415,901.62/1,953,926.63 = 771,307.97/x - Step 3: Cross multiply
1,415,901.62x = 1,953,926.63 × 771,307.97 - Step 4: Simplify right side
1,415,901.62x = 1,507,079,180,602.01 - Step 5: Solve for x
x = 1,507,079,180,602.01/1,415,901.62 - Step 6: Final answer
x = 1,064,395.41
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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.